When a US wholesaler scans a pallet of prescription drugs at its dock, its system checks the pallet and its cases against the electronic records the seller sent, and one case that does not match can put the whole pallet in quarantine. DSCSA exception management is the work that follows: tracing which side is wrong, correcting a record error fast, and taking a possibly suspect product to the person who must decide, with federal clocks in view. This guide walks through it, from the first mismatch to FDA's Form 3911.
This guide is for serialization leads, trade and distribution quality teams, warehouse and third-party logistics managers, trade compliance, and the leaders deciding whether to automate the work. No background needed.
Imagine you are the serialization lead at Cobbleford Pharma, a mid-size drug maker: the person who keeps the serial number on every package, and the data that goes with it, in order. At 5:31 am on Wednesday, October 7, 2026, a dock worker at Tarnbrook Health Supply, a wholesaler in Columbus, Ohio, scans a pallet you shipped the day before: 12 cases, 720 Veltrimab pens, lot VP26#0711, worth $2.09 million.
Eleven cases match the data you sent. The twelfth does not. Case …0617 is on the pallet, and your data never mentions it. Your data lists case …0598, which is nowhere on the pallet. Tarnbrook puts the whole pallet in quarantine and sends you an email. Its agreement with you asks for corrected data within 24 hours.
What your shipping data says
Pallet
…4217
Cases listed
12
Twelfth case
…0598
Pens
720
What Tarnbrook's dock scanned
Pallet
…4217
Cases scanned
12
Twelfth case
…0617
Pens
720
Pallet held at 5:31 amReleased at 10:35 amafter one signed correction.
The answer sits in a warehouse log in Memphis. On October 5 a forklift crushed case …0598, and its 60 pens went into a new case, …0617. The update to your serial records timed out and nobody retried it, so the shipping data still named the old case. The pens were right. The record was wrong.
This work catches both kinds of trouble: the record error that holds good stock for hours, and the rare serial whose history does not add up, which belongs with a person and a federal clock.
From a mismatch on the dock to a federal notification: the law, the dates and what goes wrong
What an exception is, how it differs from a suspect product, which clocks are law and which are agreements, what teams record at each step, the common errors and the published numbers, explained without selling anything. If you are new to drug traceability, start here.
01 · In plain words
Two copies of one pallet, the box and its data, and what happens when they disagree
A prescription drug passes through several owners on its way to a patient: the maker, a wholesaler, sometimes a second wholesaler, then a pharmacy or hospital. A US law, the Drug Supply Chain Security Act (DSCSA), requires each of those owners to pass along electronic records of what changed hands, down to the individual package. Each package carries a unique serial number in a small square barcode, and each record names that serial.
Think of it as two copies of one story. One copy is physical: the pallet, the cases on it and the packages in each case. The other copy is data: a set of files the seller sends before or with the shipment, in a format called EPCIS, listing every pallet, case and package. When the wholesaler scans the pallet at its dock, its system compares the two copies.
Usually they agree. A disagreement between them is an exception. The product waits in a marked-off area, called quarantine, because FDA's guidance says it should not be sold on until the error is documented and resolved. Someone at the wholesaler emails someone at the maker. Then a person starts pulling records from four or five systems to find out which copy of the story is wrong: the serial records, the ERP system that holds orders and deliveries, the warehouse logs and the gateway that sends the data.
Most of the time the cause is ordinary: a message that arrived late, a product code set up wrong, a case swapped at the warehouse. Rarely, the records point to something worse, such as a serial nobody ever issued, or a package recorded as destroyed that has come back for resale.
Those cases leave the world of data fixes. They become a suspect product investigation, a named person decides, and if that person finds the product illegitimate, FDA and trading partners must be told within 24 hours. Telling those two paths apart, quickly and on the record, is DSCSA exception management.
One pallet, from the plant's serial numbers to released stock
Packages get serial numbers and go into casesVeltrimab pens are commissioned, which means their serials are created in the maker's records, on October 1. Each is linked to its case, and each case to its pallet.
The warehouse ships, and the data goes aheadThe pallet leaves Memphis at 6:05 am on October 6. The seller's data must reach the buyer before or at the time of the transaction.
The dock scans, and the two copies disagreeEleven cases of 12 match at 5:31 am on October 7. The wholesaler quarantines the pallet and sends an exception notice. This is where this guide starts.
Someone finds the cause and decides what it isA record error is corrected and documented. A history that does not add up becomes a suspect product question for a named person.
The product is released, or it stays out of the channelCorrected data lets the buyer re-scan and release. An illegitimate product stays in quarantine until it is disposed of, and notifications go out.
Steps 3 and 4 are the subject of this guide. The people, companies and figures in this example are fictional.
Which clocks are law, late data, duplicate serials and a missing cost figure: four surprises for newcomers
A data exception has no 24-hour legal clock
The statute's 24 hours apply to verification answers and to illegitimate product notifications.1 For a clerical error or discrepancy, FDA's guidance recommends resolving it within 10 business days.2 The fast targets people talk about come from trading partner agreements and from running out of quarantine space.3
Good records can arrive after good product
In one FDA pilot report, the most common transmission exception was the product arriving before its data, 114 of 507 logged samples.4 Nothing is wrong with the drug in that case, and it still waits.
A duplicate entry and a duplicate serial are different problems
FDA treats the same product listed twice in the data as a discrepancy. Two packages carrying one serial number is another matter: FDA says that product should be considered suspect.2
Nobody publishes what an exception costs
We found no regulator or independent study that gives hours per exception or the cost of a held pallet. Survey figures measure how much data flows. Your own count, from your own mailbox, is the number you can defend.
Four words this guide uses: exception, quarantine, suspect, illegitimate
Exception
A mismatch between the product and its transaction data, or a problem that stops the data being used. The industry sorts them into five categories.
Quarantine
In the statute's words, the storage or identification of a product to prevent its distribution or transfer.5 It can be physical separation or an electronic hold.6
Suspect product
A product with reason to believe it may be counterfeit, diverted, stolen, intentionally adulterated, part of a fraudulent transaction or otherwise unfit for distribution.5
Illegitimate product
The same list, where credible evidence shows it. That finding starts the 24-hour notification clock.5
How a DSCSA exception differs from a suspect product and an illegitimate product
In shortThree states, each with its own duties. An exception is a mismatch that may be nothing more than a record. A suspect product has reason behind the worry, and must be quarantined and investigated. An illegitimate product has credible evidence behind it, and FDA and trading partners must be told within 24 hours. A case can move between these states, and the record has to show when and why.
The words come from section 581 of the Federal Food, Drug, and Cosmetic Act, the part of US law the DSCSA added. Suspect product means a product "for which there is reason to believe" it falls into one of the listed groups. Illegitimate product uses nearly the same list and changes the opening to "credible evidence shows".5,7 The distance between those two phrases is the investigation.
FDA's definitions guidance of March 2023 sets out its understanding of five terms inside those lists: counterfeit, diverted, stolen, fraudulent transaction and unfit for distribution.8 "Exception" is absent from the statute. It is the industry's word for what FDA's guidance calls an aggregation error (a wrong link between a package and the case or pallet it travels in), clerical error or discrepancy, and FDA recognizes that such an error "may not be indicative of a suspect product".2
State
What it rests on
What must happen
Clock
Exception (discrepancy)
The product and its data disagree, or the data cannot be used
Hold from sale, notify the seller, find the reason, correct, document2
FDA recommends 10 business days2; your partner agreement may ask for far less
The person who decides works for a trading partner. The statute puts these duties on the manufacturer, repackager, wholesale distributor or dispenser, each of whom must be authorized, meaning properly registered or licensed.5 FDA adds that a manufacturer is usually best able to assess a product's authenticity, so other trading partners should consult it.7 Software can gather and draft. The determination belongs to a person who answers for that trading partner.
03 · The law and its dates
DSCSA sections 581 and 582, FDA's stabilization period and every exemption date through 2027
In shortThe law passed on November 27, 2013, and its package-level requirements were due ten years later. FDA then gave a one-year stabilization period and staged exemptions. Those ended in 2025 for manufacturers, repackagers, wholesale distributors and larger dispensers. Small dispensers remain exempt until November 27, 2027, and that exemption reaches their trading partners where applicable.
The enhanced requirements were due in 2023, and only small dispensers still have a date ahead
Nov 27, 2013DSCSA signed
Title II of the Drug Quality and Security Act.
Nov 27, 2017Manufacturer verification requests
24-hour answers begin, four years after enactment.
Nov 27, 2023Enhanced requirements date
Section 582(g)(1), ten years after enactment. FDA's stabilization period begins.
Nov 27, 2024Stabilization ends
FDA issued exemptions for eligible trading partners on October 9, 2024.
May 27, 2025Manufacturers and repackagers
Exemption for eligible partners ends.
Aug 27, 2025Wholesale distributors
Exemption for eligible partners ends.
Nov 27, 2025Dispensers with 26 or more full-time employees
Illegitimate product: quarantine, disposition, notify in 24 hours
(b)(4)(B)
(c)(4)(B)
(d)(4)(B)
(e)(4)(B)
High risk of illegitimacy: notify in 24 hours
(b)(4)(B)(ii)(II)
Not this provision
Not this provision
Not this provision
Answer a verification request in 24 hours
(b)(4)(C)
Not this provision
Not this provision
(e)(4)(C)
Verify a saleable return before reselling it
Ended November 27, 2023, (k)(2)
(c)(4)(D)
Not this provision
Ended November 27, 2023, (k)(2)
Accept a saleable return only if it can be matched to its transaction data
(g)(1)(F)
(g)(1)(F)
(g)(1)(F)
(g)(1)(F)
From 21 U.S.C. 360eee-1, United States Code, 2024 edition,1 and FDA's verification guidance.6 Section 582(k)(2) ended the manufacturer and repackager return checks in (b)(4)(E) and (e)(4)(E) when the enhanced requirements began; FDA's guidance says those two now need not verify saleable returns, and (g)(1)(F) applies to anyone accepting one.6 Check the current text before relying on a clause.
FDA's stabilization period and the exemptions, with their exact scope
The enhanced requirements are the package-level tracing duties of section 582(g)(1), which FDA calls enhanced drug distribution security at the package level.1,2 In August 2023, FDA's compliance policy set a one-year stabilization period for them, to November 27, 2024, so trading partners could mature their systems.12
On October 9, 2024, FDA exempted eligible trading partners from the enhanced requirements on staged dates. Eligibility turned on having completed electronic data connections with immediate partners by November 27, 2024, or documenting efforts to establish them.9 The exemptions also covered trading partners further down the chain who later handled those products, and nobody had to notify FDA to use them.9 Separately, FDA gave a wholesale saleable return policy, delaying enforcement of that verification until November 27, 2024.6
On small dispensers, FDA's page now reads: until November 27, 2027, for a dispenser that, as of November 27, 2026, belongs to a company with 25 or fewer full-time employees licensed as pharmacists or qualified as pharmacy technicians. The stated purpose is time to finish the assessment of small dispensers, publish the report for comment and hold a public meeting. Nobody needs to submit anything to use it.10,13
A trading partner that does not qualify and cannot meet the requirements may ask FDA for its own waiver, exception or exemption, and should keep working until FDA acts.10
So "the exemptions are over" needs care in a sentence you sign. Your own firm may have its own waiver. A customer may be a small dispenser. On the exception itself, exempt or not, FDA's discrepancy guidance and your partner's quarantine rules still set the pace.
What we read for these dates. FDA's exemption document of October 9, 2024, for the dates that ended in 2025,9 which Quarles and PDG's survey report also describe,14,12 and FDA's exemptions page, current to August 26, 2026, for the small dispenser extension FDA issued on August 6, 2026.10 FDA's list of DSCSA policies is current to June 18, 2024.15
04 · The records in a chain
EPCIS events, aggregation and inference: the records an exception is traced through
In shortEach package has a product identifier. Each case and pallet is linked to what it holds, a practice called aggregation. Buyers often scan the outer label and infer the contents, a practice called inference. That saves hours, and it also means one stale link can make a whole pallet read wrong.
The product identifier is a standardized code printed in human-readable form and in a machine-readable carrier.5 It holds the NDC (the National Drug Code, the product's code in FDA's listing),11 a serial number, a lot number and an expiry date. Together, the NDC and serial form the standardized numerical identifier: the NDC combined with "a unique alphanumeric serial number of up to 20 characters".6
The law asks for the records, and the industry chose the format. PDG, the Partnership for DSCSA Governance, names EPCIS as its primary recommended format. An EPCIS file is a list of events: this package was created (commissioning), these packages went in this case (packing), this pallet shipped to that place.16 The legal content sits in the transaction information and transaction statement, passed between owners.5,2
FDA defines aggregation as building a parent-child relationship between identifiers on packaging levels, and inference as using information about a higher level to infer information about lower levels. FDA adds a caution: effective use of both depends on "the quality of aggregated data, documentation and shipping/packing integrity".2
Five records have to agree, and a re-work breaks the chain if the fourth one fails
The fictional pallet from the example, in the order its records were written
1Commissioned
Serials created for lot VP26#0711.
Plant 5, RaleighOct 1, 2:22 pm
2Packed on pallet
12 cases on pallet …4217, including …0598.
Memphis distribution centerOct 5, 4:40 pm
3Re-worked
…0598 crushed. Its 60 pens go into new case …0617.
Pack station PS-2Oct 5, 5:05 pm
4Repository update
Should swap the case on the pallet. Times out, never retried.
Serial recordsOct 5
5Shipped
Data still lists …0598.
Memphis to ColumbusOct 6, 6:05 am
6Received
Dock scans …0617. It has no parent in the data.
Columbus, OhioOct 7, 5:31 am
Fictional example from this guide
Show the numbers
Step
What happens
Who
Time
Commissioned
Serials created for lot VP26#0711.
Plant 5, Raleigh
Oct 1, 2:22 pm
Packed on pallet
12 cases on pallet …4217, including …0598.
Memphis distribution center
Oct 5, 4:40 pm
Re-worked
…0598 crushed. Its 60 pens go into new case …0617.
Pack station PS-2
Oct 5, 5:05 pm
Repository update
Should swap the case on the pallet. Times out, never retried.
Serial records
Oct 5
Shipped
Data still lists …0598.
Memphis to Columbus
Oct 6, 6:05 am
Received
Dock scans …0617. It has no parent in the data.
Columbus, Ohio
Oct 7, 5:31 am
Working through one pallet: what is right, what is wrong and what is held
12 cases × 60 pens = 720 pens · 720 pens × $2,900 a pen = $2,088,000 held, shown as $2.09 million
In the fictional case, 11 of the 12 cases match. That is 660 pens whose data agrees, and 60 pens whose case number does not. The pens themselves are the right pens, in the right lot, in the right quantity. Only one link in the data is stale. The wholesaler still held all 720, because in this case its rule holds the whole logistics unit until the data is whole.
How much to hold is a judgment. PDG's text says any product affected by the exception must be quarantined,16 and how much counts as affected is the holder's decision. HDA, the wholesalers' trade association (the Healthcare Distribution Alliance), recommends settling the scope first in its Data Correction Guide: a file-level exception covering a whole shipment, or a more limited one.3
FDA's guidance names who should catch this first. The selling trading partner should reconcile: confirm that the electronic data accurately reflects the packages it physically ships.2 Here the failure happened in the 13 hours between the re-work and the truck, and no check caught it.
The cause of an exception usually sits in a system the exception email never mentions
Where to look first, by kind of exception (First = first place to look)
RareSomeOftenFirst
Serial recordsERP deliveryPack station logDock scanGateway logMaster dataProduct, no dataFirstSomeOftenOftenFirstRareData issueOftenRareSomeRareSomeFirstData, no productOftenFirstSomeFirstRareRarePackaging and labelingSomeRareFirstFirstRareOftenUnavailable for distributionOftenOftenSomeSomeRareSome
Our reading of the sources3,16,4 · Our classification from HDA and PDG scenarios and the Cardinal Health pilot report. Your own log of past causes will rank these differently.
Show the numbers
Serial records
ERP delivery
Pack station log
Dock scan
Gateway log
Master data
Product, no data
First
Some
Often
Often
First
Rare
Data issue
Often
Rare
Some
Rare
Some
First
Data, no product
Often
First
Some
First
Rare
Rare
Packaging and labeling
Some
Rare
First
First
Rare
Often
Unavailable for distribution
Often
Often
Some
Some
Rare
Some
05 · The five categories
The five DSCSA exception categories, from product no data to unavailable for distribution
In shortHDA sorts exceptions into five categories, and PDG's Blueprint follows them. The category tells you who probably has to act and whether anything sits in quarantine. These are voluntary industry guides, and each says it is not legal advice.
Category
What the buyer sees
Typical resolution
Product held?
Product, no data
Product arrives without complete data: a whole shipment, part of one, or packages inside a case
The buyer checks its own system and purchase order, then contacts the seller. The seller sends the missing data, or the product goes back
Product is received that should not be sold onward, for a reason the data cannot fix
Partners agree return or disposition, with records
Set by the case
We did not read HDA's 2023 guideline itself: HDA asks for a name and email address before the download. Its five categories come from HDA's publication page.17 Scenario detail from PDG's Blueprint, version 1.5, which conforms to the HDA guideline,16 and HDA's first edition of April 2022, which used six categories.18 Older training material may still use those six.
All of these pass through people. PDG's network design uses email as the delivery mechanism for exception notices, with a trial JSON format proposed for later.16 HDA expects correction to be "primarily" manual,3 and its Communication Guide sets out what a good notice holds: a standard subject line, a unique tracking number, the PO, the delivery, the NDC, the barcode scan or a photo of it, the category, where the exception occurred, its scope, the location codes, the carrier tracking number and a named contact.19
Most exceptions are frequent and low in suspicion, and the rare ones decide your reputation
Where each kind of case tends to sit
How much it points to a suspect product →
Rare, worrying
Frequent, worrying
Rare, routine
Frequent, routine
Late dataMaster dataUnreadable codeDestroyed, returnedNever assigned
How often it happens →
Our reading of the sources2,3,16,4 · A judgment from the sources, for orientation. FDA says one serial on two packages should be considered suspect. No source publishes frequencies for these together.
Show the numbers
Item
How often it happens (0–1)
How much it points to a suspect product (0–1)
Late data
0.78
0.19
Master data
0.60
0.10
Unreadable code
0.16
0.30
Destroyed, returned
0.14
0.80
Never assigned
0.30
0.62
06 · Verification and returns
The 24-hour verification request, and the saleable returns that keep a desk busy
In shortA manufacturer must answer a verification request within 24 hours, by law. Wholesalers must verify returned product before reselling it, and returns ran to tens of millions of packages a year in the last public count. Routine answers can be automatic. An identifier that does not match must be treated as suspect.
Verification, in the statute, means determining whether the product identifier on a package corresponds to the identifier assigned by the manufacturer or repackager.5 Under section 582(b)(4)(C), on receiving a request from an authorized repackager, wholesale distributor or dispenser holding a product it believes the manufacturer made, the manufacturer must answer "not later than 24 hours after receiving the request". If the identifier does not match, the manufacturer treats the product as suspect and investigates.1
A manufacturer may meet this duty through a secure electronic database, and the database does not excuse it from answering a request sent another way.1 That explains an everyday sight in this work: a phone call or an email at the same desk as the automated answers. The industry's verification router service passes requests between trading partners and the manufacturer's records.
59 million
individual returns a year, by HDA's statistics, in 2016 reporting. 2% to 3% of product shipped by full-line wholesalers came back, and 94% of it was resaleable.20
Dated. We found no newer public count
24 hours
to answer a verification request, in section 582(b)(4)(C). FDA can set another reasonable time.1
Statute
10–15%
of verification scans lacked GTINs, the GS1 numbers for each product, in the lookup directory, per NABP at a March 2025 town hall.21
Guest column on the meeting, one speaker's figure
Nearly all returned product can go back on sale, so nearly all of it needs an answer
94 in 100
returned products are resaleable, in 2016 reporting of HDA statistics, and a wholesaler must verify each one's identifier before reselling it
returned products are resaleable, in 2016 reporting of HDA statistics, and a wholesaler must verify each one's identifier before reselling it
94 of 100
The worked arithmetic behind a returns desk
59,000,000 returns a year ÷ 365 days ≈ 162,000 a day across the industry, in 2016 reporting
That daily figure is our arithmetic on a dated number, and it shows why this work splits in two. Routine answers come from a lookup in a fraction of a second. The manufacturer's people spend their time on the small remainder: an email from a pharmacy, a phone call, or a serial whose history raises a question. Answering those late or wrongly is what creates risk.
Verification and notification run on 24 hours, while FDA gives a clerical error about 14 days
Longest time allowed or recommended, in hours
Answer a verification request24 h
Notify after finding illegitimate product24 h
Notify after finding a high risk (manufacturers)24 h
Answer an official's request for tracing information24 h
Resolve a clerical error or discrepancy (10 business days, about 14 calendar days)336 h
Our reading of the sources1,7,2 · Section 582(m) sets 24 hours for officials' requests to manufacturers, wholesale distributors and repackagers; dispensers have 2 business days (see section 07). FDA's 10 business days is a recommendation in nonbinding guidance, converted here at 24 hours a calendar day for scale only.
Show the numbers
Item
Value
Answer a verification request
24 h
Notify after finding illegitimate product
24 h
Notify after finding a high risk (manufacturers)
24 h
Answer an official's request for tracing information
24 h
Resolve a clerical error or discrepancy (10 business days, about 14 calendar days)
336 h
07 · Quarantine and investigation
How a suspect product investigation runs, from quarantine to a recorded decision
In shortQuarantine first, and it can be physical or electronic. Then a prompt investigation with trading partners, which must include verifying the package identifier and checking the records. The investigation ends in one of two recorded outcomes: cleared, or illegitimate. Keep the records at least six years.
Section 582 requires systems for this, whoever you are. On determining a product in its possession or control is suspect, or on an FDA request for verification, a trading partner must quarantine it and promptly investigate in coordination with trading partners.1,6 FDA understands quarantine to include "physical separation and/or other procedures", and encourages both physical and electronic quarantine when possible, so that systems block sale and keep records accurate.6
The investigation is a records exercise before anything else. For a manufacturer, FDA reads the statute to require checking its internal records of the NDC and lot against the product, and confirming that the NDC, serial number, lot number and expiry on the package correspond to what the manufacturer assigned.6 Wholesale distributors and dispensers do the same against their own records, and verify the identifier with the manufacturer or repackager.6 FDA expects the manufacturer to carry out most laboratory analyses that form part of a coordinated investigation.6
FDA's suspect product guidance lists circumstances that call for extra care, grouped by sourcing, by product and by how it arrives.7 This guide leaves that list to FDA's own text, and we suggest your team read it in full. Your procedure should say who reviews what and who decides. The guidance also says trading partners should contact regulatory authorities, law enforcement or other resources when more expertise is needed.7
An investigation has two exits, and each one leaves a signed record behind
1Reason to believe
A person determines the product is suspect, or FDA asks for verification.
Authorized trading partnerDay 0
2Quarantine
Physical, electronic, or both. The product cannot be sold.
Holder of the productAt once
3Investigate
Records, identifier, partners, the manufacturer's review.
Trading partners togetherPromptly
4Cleared
Not illegitimate. Tell FDA only if FDA requested verification.
A person determines the product is suspect, or FDA asks for verification.
Authorized trading partner
Day 0
Quarantine
Physical, electronic, or both. The product cannot be sold.
Holder of the product
At once
Investigate
Records, identifier, partners, the manufacturer's review.
Trading partners together
Promptly
Cleared
Not illegitimate. Tell FDA only if FDA requested verification.
Named decider
Before further distribution
Illegitimate
Quarantine until disposition. Notify.
Named decider
24 hours
The records an inspector can ask for after an investigation
The investigation itself. At least six years after it ends.1
The disposition of illegitimate product. At least six years after it ends.1
The transaction records. At least six years after the transaction, under section 582(b)(1)(A)(ii) for manufacturers.1
The discrepancy resolution. FDA asks for the nature of the error, a description of how it was resolved, the names of those involved and the date.2
Answers to officials. Tracing information for a recall or a suspect or illegitimate product investigation. Since November 27, 2023, section 582(m) sets 24 hours for manufacturers, wholesale distributors and repackagers, which FDA says 1 business day generally meets; dispensers have 2 business days. FDA can set another reasonable time.1,2
08 · Form FDA 3911
Form FDA 3911: who files it, when the 24 hours start and how a notification ends
In shortForm FDA 3911 is the supply-chain notification a trading partner sends FDA about an illegitimate product, or a manufacturer sends about a high risk of illegitimacy. It is due within 24 hours of the determination. FDA gives an incident number. Immediate trading partners are told by whatever channels you normally use. To end a notification, you consult FDA and wait for its answer.
Who. Manufacturers, repackagers, wholesale distributors and dispensers each must notify FDA and all immediate trading partners they have reason to believe may have received the product, within 24 hours after the determination.1,22 FDA anticipates those partners include customers and, in some cases, the supplier.7
The second trigger, for manufacturers. Section 582(b)(4)(B)(ii)(II) adds 24 hours from determining, or being notified by FDA or a trading partner, that there is a high risk a product is illegitimate.7
FDA's guidance describes three situations, with different partners to tell. Where a manufacturer has reason to believe an immediate trading partner holds the product, it notifies FDA and that partner. Where a specific high risk could bring illegitimate product into the US supply chain, or product has entered the chain beyond its immediate partners, the notification goes to FDA, and FDA says telling partners is optional or recommended.7
How. FDA's page prefers the 3911 platform in CDER NextGen, and also accepts the completed form by email to DrugNotifications@fda.hhs.gov with the subject line "Illegitimate Product Notification Submission". FDA acknowledges receipt and issues an incident number, which every later message cites.22 The form asks who is notifying, which product, and the circumstances that prompted the notice.7 Trading partners are told through "existing systems and processes": a company website, a phone call, an email, a mail or fax.7
Ending it. This part of FDA's guidance is binding, unlike the rest. The trading partner that notified asks for termination, using the same route, citing the incident number and explaining what makes the notification no longer necessary. FDA treats the request as a consultation. A trading partner must wait for FDA's response before telling others the notification has ended.
FDA intends to respond within 10 business days, and it may need longer. A possible shortage can justify asking for speed.7,22 After a high-risk notification that proves to be an illegitimate product, the manufacturer sends a follow-up under the same incident number. If the product proves legitimate, it asks for termination.7
The 24 hours start at the determination, so the time of that decision has to be on the record
An illustrative order of events for one illegitimate product notification
Hour 0Determination
A named person determines the product is illegitimate, and the time is recorded.
By hour 24Form FDA 3911 goes to FDA
Through the 3911 platform or by email. FDA acknowledges and gives an incident number.
By hour 24Immediate trading partners told
Those with reason to believe may have received it. Existing channels are fine.
ThenQuarantine until disposition
Product stays out of distribution. Records kept at least six years.
LaterTermination request
Same route, same incident number, with the reason.
Scope. FDA says this guidance helps trading partners decide whether Form FDA 3911 is required, and that violations outside the DSCSA's scope go through whatever mechanism the relevant law sets.7 FDA's Division of Supply Chain Integrity takes questions on other supply chain issues.7 In this guide the form is a supply-chain duty, and we treat it only as that. FDA's own estimate of the form itself is about one hour to notify, one hour to consult and terminate.7 The hard part is the evidence and the decision.
09 · Common errors
Why DSCSA exceptions happen: late files, master data, re-work and unreadable codes
In shortThe best public record is a Cardinal Health pilot report posted by FDA, with data from 2017 to 2020. Late data led its list, followed by format and master data problems. Cases, more than items or pallets, showed the highest share of aggregation exceptions. Newer reporting says the same families persist while overall rates improve.
Product arriving before its data led the transmission exceptions in Cardinal Health's pilot
Samples logged, May 2017 to January 2020
Product arrived before data114
Time chronology44
Missing master data40
GS1 structure issues40
XML structure issues40
AS2 setup or transmission26
Incorrect data format26
Missing required data element18
Master data setup6
Serial number configuration4
Source4 · Three smaller rows left out. The sample leans toward problems: successful exchanges were logged only when a partner asked for confirmation, so 364 of 507 samples carrying an exception is no rate for the industry.
Show the numbers
Item
Value
Product arrived before data
114
Time chronology
44
Missing master data
40
GS1 structure issues
40
XML structure issues
40
AS2 setup or transmission
26
Incorrect data format
26
Missing required data element
18
Master data setup
6
Serial number configuration
4
Cases carried the highest aggregation exception rate in Cardinal Health's pilot
Share of tags scanned with an exception, Cardinal Health pilot
Case (286 of 15,280)1.87%
Item (186 of 19,776)0.94%
Pallet (10 of 2,090)0.48%
Source4 · Counts from the report. It tested specific business units and products, so read this as a pilot result.
Show the numbers
Item
Value
Case (286 of 15,280)
1.87%
Item (186 of 19,776)
0.94%
Pallet (10 of 2,090)
0.48%
More than half of the logged transmission exceptions had no recorded resolution
Where exceptions were resolved, Cardinal Health pilot
210exceptions
Unresolved113
Own IT62
Data provider24
Manufacturer7
Repackager and contract maker4
Source4 · Elapsed times in the report ran from 1 day for own IT to 7 days for a data provider. Pilot data only.
Show the numbers
Part
Value
Unresolved
113
Own IT
62
Data provider
24
Manufacturer
7
Repackager and contract maker
4
Six errors teams can catch early, and where each one starts
Error
Why it happens
Where it shows
What catches it
Aggregation not updated after re-work
A case is damaged and replaced; the update fails or is forgotten
Product, no data at the customer's dock
A re-worked case cannot ship until the records show it. FDA's reconciliation step2
Late or failed file
Gateway outage, failed retry, a truck faster than the data
Print verification on the line; a photo in the notice rather than hand keying19
Newer figures point the same way, from smaller rooms. At a March 2025 town hall, Cencora said about 100 SKUs had unreadable 2D barcodes, which it classes as damaged goods.21 A study of several thousand wholesaler files found about 7% with critical defects.21 One vendor reported a 10% error rate in the data it received, in 2023.24 These come from single speakers. Treat them as direction, and measure your own.
10 · What is at risk
What is at risk when exceptions pile up: stock, supply and enforcement on the record
In shortThree kinds of exposure. Quarantine space runs out long before FDA's 10 business days do, so stock waits and product can run short. A slow trace can blur a real suspect product into the routine pile. And the law has teeth: federal prison terms in one wholesale case, license action in another.
Quarantine space and supply
HDA's Data Correction Guide states the practical limit: corrections should be undertaken as soon as possible "as quarantine space is limited", and following FDA's window, "which recommends up to 10 business days to resolve exceptions, could quickly result in quarantine area overflow".3
A wholesaler's pilot warned in 2019 that if these exceptions could not be resolved, "we may be required to quarantine, destroy, or return 0.5+% of all Rx product sold daily".23 That was a forecast, from before the requirement began. HDA's own count of expected disruption fell from 25% to 9% between September 2024 and February 2025, as reported at a town hall,21 and any percentage of a market this size is a large number of packages.
Expected disruption from missing or inaccurate data fell by nearly two-thirds in five months
HDA's estimate of product disrupted under the requirements, as reported at a March 2025 town hall
25%Sep 2024
9%Feb 2025
Source21 · A guest column's report of HDA's figures. Later reporting put accurate PO lines at 92%.
Show the numbers
Period
Value
Sep 2024
25%
Feb 2025
9%
A record pile can hide a real case
When two hundred exceptions look alike, the one with a duplicate serial or a destroyed serial looks like the rest. FDA's text is plain: if a discrepancy cannot be resolved and the product is determined to be suspect or illegitimate, the partners must stop distributing and follow the verification steps.2 PDG repeats it: at any time, if either party determines the product is suspect, it starts that investigation.16 The risk in a manual queue is a delay in noticing, with a 24-hour clock that begins only when someone decides.
Enforcement that is already on the public record
Case
What the record says
Source
Safe Chain Solutions, Florida federal court
A jury convicted two owners of a wholesale company on October 29, 2025, in a scheme involving more than $92 million of black-market HIV drugs. Counts included conspiracy to traffic in medical products with false documentation. Sentenced to a combined 38 years, announced March 16, 2026
NABP's speaker at the March 2025 town hall described an Arkansas case in which a "not verified" response helped confirm counterfeit product, leading to a license revocation. HDA flagged growing state audits of verification procedures
Named only for what the record says. We found no public count of Form 3911 notifications and no FDA list of DSCSA enforcement actions against manufacturers over data errors.
A wholesaler's patienceA partner with a full quarantine room remembers whose data put it there, and scorecards make that visible.
The patient at the far endHeld stock that runs short reaches a pharmacy counter as a delay.
The six-year questionAn inspector asks about one serial from four years ago. Either the record answers in a minute, or a team spends a week in old mailboxes.
11 · The numbers
DSCSA data quality in numbers: what the surveys show and what nobody measures
In shortData flow improved sharply from 2024 to 2025. HDA's median accuracy at the pieces level reached 98.5% in June 2025. With 8 to 10 billion package-level transactions a year, a small remainder is still a large number. No public source measures hours per exception or cost per held pallet.
Wholesalers went from almost none to nearly all receiving complete data from most suppliers
Share of respondents routinely receiving complete serialized data from 80% or more of suppliers
June 2024September 2025
Wholesale distributors4%93%
Pharmacies24%70%
Source12 · Self-reported PDG survey. 138 respondents in June 2024 and 110 in September 2025, with different mixes; 73 of the 110 were pharmacies.
Show the numbers
June 2024
September 2025
Wholesale distributors
4%
93%
Pharmacies
24%
70%
One large wholesaler saw purchase orders arriving with data rise from about half to nearly all
Manufacturer purchase order data performance, as reported by Cencora
48%2023
85%2024
97%2025
Source21 · One wholesaler's figures, from a guest column on a March 2025 town hall.
Show the numbers
Period
Value
2023
48%
2024
85%
2025
97%
98.5%
median accurate data exchange at the pieces level, from HDA's early June 2025 member survey.28,29
A median across members, from a survey
8–10 billion
package-level transactions a year, in the 2023 report of a PDG, HDA and GS1 US workshop.30
Estimate in the report
71%
of wholesalers routinely received complete data for 95% or more of the product they bought in September 2025, up from 48% three months earlier.12
PDG survey
Why a 98.5% median still means a staffed exception desk
9 billion packages × 1.5% = 135 million packages a year, as an order of magnitude only
That sum mixes two sources and uses a median as if it were an average, so read it as scale and nothing more. PDG, HDA and GS1 US made the same point: at this volume, "errors and discrepancies are inevitable".30 Speakers from FDA at a March 2025 town hall said imperfect data quality is expected, and favored managing errors by risk over aiming for perfection.21
Analysts size the wider market for track and trace solutions at $8.20 billion in 2026, growing to $14.73 billion by 2031, about 12.4% a year. That figure covers food, cosmetics and consumer goods too, and its authors expect the pharmaceutical segment to be the most active. It comes from a firm that sells reports.31 We found no public market figure for exception management alone.
What nobody publishes, and what to count instead
Hours per exception. No public figure. Log start and finish on your next 50.
Exceptions per thousand shipments in 2026. No public figure. Your mailbox and your partners' scorecards hold it.
Dollars held in quarantine. No public figure. Add the value of each held unit from the notice and the ERP delivery.
How many Form 3911 notifications FDA receives. We found no public count.
12 · AI and what regulators expect
What automation can do in exception work, and what FDA and EU texts say about AI
In shortAutomation fits the trace: pull the records, compare, draft the correction and draft the message. The law places the determinations on trading partners, so a person signs. No FDA text sets rules for AI in DSCSA exception work specifically. Its January 2025 AI draft concerns regulatory decisions and leaves out operational efficiencies. No software can be "certified" for Part 11 or GxP.
Where machines help, and where they stop
Step
What automation can do
What stays with a person
Reading notices
Pull fields from the email and match the shipment
Unusual or unclear notices
Tracing
Compare data to scan, walk logs, cite each record
Accepting the cause
Correcting
Draft replacement events and the partner message
Signing what leaves the company
Verification
Answer clean requests from the record, inside 24 hours
Every history conflict
Suspect product
Assemble the serial's history and draft the notification
Determining suspect, cleared or illegitimate, and signing
FDA's AI draft, January 2025. Draft, not for implementation, content current January 6, 2025. It covers AI supporting regulatory decisions about drugs and biologics, and says it does not address AI "when used for operational efficiencies" that do not affect patient safety, drug quality or study reliability.32 A trace may fall on that side. A suspect product decision should be treated as if it does not.
21 CFR Part 11. FDA's rule on electronic records and signatures. Section 11.1(b) applies it to electronic records kept under FDA's regulations and to electronic records submitted to FDA under the FD&C Act (CFR, 2025 edition).33 A product can offer controls that support your compliance. It cannot be Part 11 "compliant" or "certified" on its own, because compliance depends on how you use it.
FDA's Computer Software Assurance guidance. Final, February 2026, and written for production and quality management system software used in medical device making.34 It does not address drug distribution systems. Some teams borrow its risk thinking, and that is a choice to justify, since it creates no permission here.
GAMP and its AI guide. ISPE published a GAMP guide on AI in July 2025.35 It is industry guidance, sold by the publisher; we read the publisher's page.
Draft EU GMP Annex 22. Still a draft on November 3, 2026. It was open for comment from July 7 to October 7, 2025, and says generative AI and large language models "should not be used in critical GMP applications".36 It matters only where a company runs serialization work under EU GMP, and a US exception desk may not. Check with your quality team.
Three questions decide most of the governance. Can the system change an existing event, or only draft a new one for signature? Can it answer a conflicting history on its own? Can it file with FDA without a named determination? A strong design says no to all three.
Every sector says it checks the data it sends, and about 6 in 10 pharmacies check what they receive
Share of respondents actively assessing the quality of serialized data, September 2025
All sectors, data they send100%
Wholesale distributors and repackagers, data they receive100%
Pharmacies, data they receive60%
Source12 · PDG survey, self-reported. The pharmacy figure is PDG's "approximately 6 in 10".
Show the numbers
Item
Value
All sectors, data they send
100%
Wholesale distributors and repackagers, data they receive
100%
Pharmacies, data they receive
60%
13 · How teams clear exceptions today
Who clears a DSCSA exception today, the hand-offs between them and where the hours go
In shortFive roles across two or three companies, working from a shared mailbox and four or five systems. FDA and HDA both describe the work as coordination and largely manual. The hours go to pulling and comparing records. Signature and the partner's re-scan take the rest, and those stay.
The five jobs behind one exception at a drug maker
Role
What they do
What they need
Serialization or DSCSA lead
Traces the data, approves corrections, owns the partner relationship on data
Serial repository, EPCIS files, a place to see every open case
Trade customer service
Works the shared mailbox and phone, answers non-routine requests, sends replies
Status in plain words, the PO, the delivery
Distribution quality
Decides suspect and illegitimate product, leads investigations, signs notifications
The serial's whole history, evidence, FDA's form
Warehouse or third-party logistics lead
Runs pack stations and docks, holds the re-work and scan logs
To learn of a failed update before the truck leaves
Trade compliance
Owns procedures, partner agreements and the six-year record
Clocks kept, signatures, an export for an inspector
Roles vary by company. Our summary, drawn from the people named in HDA's and FDA's texts2,3,19 and from the sample company.
An exception crosses five hands and two companies before stock moves
1Notice arrives
Email to the shared mailbox.
Trade customer serviceHour 0
2Records pulled
Repository, ERP delivery, re-work log, dock log.
Serialization lead, warehouse leadHours
3Cause found
Compared by hand, case by case.
Serialization leadHours
4Correction written
New events and the reply, in the fields the partner wants.
Serialization leadHours
5Signed and sent
Second person above a threshold.
Lead, trade complianceWaits for a person
6Re-scan and release
Partner checks, and takes stock out of quarantine.
WholesalerWaits for the partner
Illustrative · replace with your own numbers
Show the numbers
Step
What happens
Who
Time
Notice arrives
Email to the shared mailbox.
Trade customer service
Hour 0
Records pulled
Repository, ERP delivery, re-work log, dock log.
Serialization lead, warehouse lead
Hours
Cause found
Compared by hand, case by case.
Serialization lead
Hours
Correction written
New events and the reply, in the fields the partner wants.
Serialization lead
Hours
Signed and sent
Second person above a threshold.
Lead, trade compliance
Waits for a person
Re-scan and release
Partner checks, and takes stock out of quarantine.
Wholesaler
Waits for the partner
Pulling and comparing records takes half of a hand-worked exception's elapsed hours
Estimated split for a typical product-no-data exception, 26 hours in all
Reading and draftingPulling recordsComparing and finding the causeReview and signatureRe-scan and release
By hand, about 26 hours4.5 h6 h7 h4 h4.5 h
Illustrative · replace with your own numbers · An illustrative split, for orientation only. No public source measures this. Time 50 of your own.
Show the numbers
Reading and drafting
Pulling records
Comparing and finding the cause
Review and signature
Re-scan and release
By hand, about 26 hours
4.5 h
6 h
7 h
4 h
4.5 h
In house, a service provider or software: how drug makers staff the exception desk
Approach
Fits when
Watch for
In house, by hand
Few partners and exceptions; a small product range
Knowledge in a few heads; mailbox history as the only record
Outsourced to a service provider or a third-party logistics provider (3PL)
A virtual company without its own distribution network
The duty stays with you; you need the logs and a named decider
Software, serialization platforms plus workflow or AI tools
Rising volume, many partners, several sites
Tools that track the ticket and leave the trace to a person, and anything that decides for you
One date to plan for: FDA's final rule moves all NDCs to a uniform 12-digit format on March 7, 2033. It was published March 5, 2026, and a three-year labeling transition runs from that date to March 6, 2036. From then a single 2D barcode encoding the 12-digit NDC under GS1 application identifier 715, with serial, lot and expiry, may serve both the NDC barcode and DSCSA requirements.11,37 Every master data table, repository and trading partner setup will meet that change. Teams that clear exceptions today will clear its mismatches later.
Part B · See it working
A quarantined pallet and three troubling serials, worked in Botminds DSCSA Exception Management
Part A described the work without naming a product. This part shows how Botminds does it, at a fictional drug maker with three wholesale customers. Every company, person, identifier, date and figure in the screens is sample data, and sample codes are written in a form no real code can take.
14 · One pallet, start to finish
Pallet …4217 at Tarnbrook Columbus: from the 5:31 am dock scan to stock released at 10:35 am
In shortThis is the example from the top of the page, inside the product. Agents read the notice, line up both copies of the pallet, find the failed re-work update in the Memphis log and draft four EPCIS events and a reply. Dana Okafor, the serialization lead, reads what will be sent and signs. Tarnbrook re-scans 12 of 12 and releases the pallet the same morning.
1
The pallet opens as a chain of events
At 5:31 am Marcus Belwin in Tarnbrook's receiving exceptions sends TB-COL-26-0917: 11 of 12 cases matched. The Exchange watcher raises EX-1041, Product, no data, sub-type aggregation error after re-work. The header shows $2.09 million held at receiving and the time left on the 24 hours Tarnbrook's agreement asks for.
The home screen is the pallet's history, left to right: commissioned at Plant 5, packed on pallet …4217 in Memphis, re-worked at pack station PS-2, shipped, received. The shipping event carries a red break: "Ship data says case …0598 · the dock scanned case …0617".
The event chain. Each card is one EPCIS event, with place, time and the key line. The broken link sits between what was shipped and what was received.
2
Both copies of the pallet, side by side
The Shipment reconciler builds our shipping data and Tarnbrook's dock scan case by case: 11 cases in both, one case different on each side. The Root-cause analyst finds the reason in two records: re-work log RW-2291, signed by the Memphis warehouse lead, says case …0598 was crushed and its 60 pens moved into …0617, and the repository update "timed out" and was never retried.
Every sentence in the finding carries a numbered citation that opens its record at the passage. The classification shows its confidence, 96%.
Where the chain breaks. Our shipping data against the dock scan, the cited finding, the four steps of the correction and the drafted reply.
3
The smallest correction, as new events
The Correction and reply writer drafts four EPCIS events: an aggregation DELETE that takes …0598 off pallet …4217, an aggregation ADD for …0617 with its 60 pens, a destruction event for the empty …0598, and the shipping event for PO 4500088213 sent again. History stays as written. The fix is new events, marked "Draft · needs a signature".
On the right, the evidence: Tarnbrook's email, the re-work log and the original aggregation event, each opened at the passage the finding cites.
The correction. What it does in plain words, then the four EPCIS events, kept with the exception for six years.
4
Dana signs at 10:30 am, with the meaning stated
The signing dialog lists what will be sent to Tarnbrook Health Supply, the meaning of the signature, "I approve this correction and its release to the trading partner", and the time left: 19 h 01 m. Below $3 million one signature is enough. Above it, Omar Haddad in trade compliance signs second.
Nothing leaves the company before this step.
Sign and send. What goes out, the meaning of the signature and the audit trail line, in one view.
5
Twelve of twelve, and the chain is whole
Tarnbrook accepts the corrected data and re-scans at 10:34 am: 12 of 12 cases match. At 10:35 am the pallet is released, and the 720 pens are back in the channel. The corrected events turn green, and the clock reads "19 h 01 m to spare".
Chain whole again. Both copies agree, the message is sent and the stock is released, with time to spare on the partner's clock.
The pallet was held five hours, and the signature came with 19 hours still on the clock
5:31 amDock scan fails
Tarnbrook quarantines pallet …4217 and emails TB-COL-26-0917.
Seconds laterClassified and reconciled
Product, no data; 11 of 12 cases match.
In 2.1 sCause found
Re-work RW-2291: the repository update timed out.
In 3.4 sCorrection drafted
Four EPCIS events and the reply.
10:30 amDana Okafor signs
19 h 01 m left on the 24 hours.
10:34 amTarnbrook re-scans
12 of 12 cases match.
10:35 amReleased
720 pens back in the channel.
Fictional example from this guide
Show the numbers
When
What
5:31 am
Dock scan fails
Seconds later
Classified and reconciled
In 2.1 s
Cause found
In 3.4 s
Correction drafted
10:30 am
Dana Okafor signs
10:34 am
Tarnbrook re-scans
10:35 am
Released
Most of the morning was waiting for a person to open the case. The trace itself took seconds. The solution's labeled design target is a 9.4-hour median from exception to released stock, against about 26 hours by hand, an estimate. Both are to be measured on your own exceptions.
15 · Three troubling serials
A destroyed pen returned, a serial never assigned and a duplicate: where the product stops and a person decides
In shortThe same morning, three serials do not add up. None is answered automatically. Each opens with its full history and a recommended answer, and Lena Ortiz in distribution quality decides. If she determines a product is illegitimate, the notification is drafted for her signature and FDA's 24 hours run from that determination.
1
VR-77310: a pen recorded as destroyed comes back for resale
Ostlerby Drug Distribution's Sacramento returns desk asks whether a Veltrimab pen is ours. Its life story reads: commissioned August 28, shipped to Ostlerby Dallas, reported damaged under credit CM-5512, witnessed destroyed September 30, and today returned as saleable. The history check stops it for a person.
The recommended answer is "not verified", with a request to quarantine the pack, and a suspect product investigation opens if Lena agrees. The identifier itself does correspond to one we assigned, so the answer turns on its history, and that judgment is Lena's to make.
A destroyed pen returned. The serial's life story, the finding with its citations and the drafted answer. The barcode is replaced by a sample block, and the serial carries a character no real serial uses.
2
VR-77315: one of three vials carries a serial nobody assigned
Ambleford Community Pharmacy set aside three Talvoren vials bought from a secondary supplier and emails for verification. Two serials are ours and active. The third was never commissioned. The responder stops it and recommends answering within 24 hours, asking the pharmacy to quarantine all three vials, and opening a suspect product investigation.
A serial never assigned. Three vials checked one by one, and the one without a record is marked.
3
EX-1049: the suspect product record Lena decides on
The investigation record holds the product in question, the request it came from, the three serials and the evidence. A callout states the rule: if she determines the product is illegitimate, FDA and every immediate trading partner are told within 24 hours of that decision. Two outcomes wait for her: "Illegitimate, notify FDA and partners" or "Cleared, not illegitimate", each kept with a reason.
The suspect product record. Quarantined, waiting for Lena Ortiz. Every statement opens the record behind it.
4
The notification, drafted for her signature
If Lena chooses "Illegitimate", the notification opens as a draft in the product's own layout: type of report, product, identifier, classification, where found, evidence and partners to notify. She signs with the meaning "I determine this product is illegitimate and approve the notification".
FDA's own form and route govern what is filed: the 3911 platform in CDER NextGen or email, an incident number, and immediate trading partners she has reason to believe may have received it (section 8). The partner list is a draft for her to confirm.
The notification draft. The product's own layout of the details Form FDA 3911 asks for. It is filed only on the signed determination of the authorized trading partner's named person.
5
EX-1047: one serial in two shipments
Tarnbrook flags two duplicate serials. The Shipment reconciler finds the same serial in shipments to Tarnbrook on September 18 and to Ostlerby on September 24. The classifier calls it a possible suspect product at 88%, and it waits for Lena. Both partners have quarantined the two bottles.
FDA's guidance draws the line here: duplicate data is a discrepancy, but one serial on two packages should be considered suspect.2 The record's first step is to ask Ostlerby to scan the bottle in hand.
A duplicate serial. The same serial in two partners' shipments, routed to distribution quality.
What the rules on this screen say, and what the law says
On screen
The rule behind it
"Every request answered within 24 hours"
Verification requests: 24 hours by statute, section 582(b)(4)(C).1 Data exceptions: 24 hours is the partner's agreement, as the screen itself says; FDA recommends 10 business days.2
"FDA and partners told within 24 hours"
From the determination of illegitimacy, or for a manufacturer from a high-risk determination.1,7
"Cleared, not illegitimate"
A cleared product notification goes to FDA only if FDA had asked for verification of that product.6
"Kept 6 years"
Transactions, investigations and dispositions, each for not less than 6 years.1
16 · Every screen
Beyond the first case: the open exception list, a wrong GTIN, a scorecard for each wholesaler and who may sign
In shortBehind the event chain sit every open exception by HDA category, each exception's full record, a scorecard per wholesaler, a dashboard of causes and release times, and settings where you name signers and set clocks.
All exceptions. Seven open, filtered by the five industry categories, with value held, age, stage and owner. EX-1044, a gateway outage, was re-sent automatically under the rule.
A wrong GTIN. 384 bottles are right and the data is wrong: line PL-6 was set up from the 30-tablet template on October 2 and kept its GTIN. The correction includes a master data fix for the warehouse lead.
Trading partner scorecards. Match rate on arrival, exceptions by type, whose side each cause started on and time to release. Each partner sees only its own.
The dashboard. Sample data for one month: what breaks, by partner and by cause, and how fast stock comes back. The 9.4 hours shown is the sample matching the design target.
Signers and rules. Named signers, a second signature above $3 million, and which rules run by themselves. Stopping for a person on a history conflict is locked on.
Product, no data is two in five of the sample month's exceptions
212 exceptions in 30 days, on the sample dashboard
212exceptions
Product, no data41%
Data issue27%
Data, no product14%
Packaging and labeling10%
Unavailable for distribution8%
Fictional example from this guide
Show the numbers
Part
Value
Product, no data
41%
Data issue
27%
Data, no product
14%
Packaging and labeling
10%
Unavailable for distribution
8%
17 · Who traces, who signs
Who traces and who signs: six agents gather the records, four named people sign what leaves the company
In shortEach agent has one job and a line it never crosses. None changes an existing event, none answers a conflicting history, and nothing leaves the company without a named signature. The people decide; the agents bring the records.
What each of the six agents does, and will not do
Exchange watcher
Reads EPCIS acknowledgements and rejections, the exceptions mailbox and partner receiving status; raises the exception and starts its clock; re-sends late data that already exists, under the rule.
Never changes an event.
Exception classifier
Puts each exception in an industry category and sub-type, such as aggregation error, late data, wrong GTIN, short ship or duplicate serial.
Never decides suspect product. Below 85% confidence, a person classifies.
Shipment reconciler
Lines up what we sent against what the partner scanned, pallet by case by pack, and pulls the ERP delivery.
Never writes to the serial repository.
Root-cause analyst
Walks the event chain and the pack station, dock, gateway and master data logs to the broken link, and says whose side it started on.
Never states a cause without a cited record; otherwise it reports "unknown".
Correction and reply writer
Drafts the smallest set of EPCIS events that makes the data match the shipment, and the reply in the fields the partner expects.
Never sends without a signature.
Verification responder
Answers routine verification requests from the serial repository, in about 0.3 seconds, when the serial is active, lot and expiry match and its history allows it.
Never answers a destroyed, recalled, shipped-elsewhere or never-assigned serial on its own.
The people at Cobbleford Pharma, and who signs what
Fictional, from the sample data
DO
Dana Okafor · serialization and DSCSA lead
Signs every correction that leaves the company and owns the clocks.
"Show me where the chain breaks, and what we send to fix it."
SP
Sam Patel · trade customer service
Sends partner replies and approves the drafted routine verification answers.
LO
Lena Ortiz · distribution quality
Decides suspect, cleared and illegitimate product, and signs the notification.
Runs the pack stations and docks; her signed re-work log is the record the cause was traced to.
OH
Omar Haddad · head of trade compliance
Second signature above $3 million, and owner of the six-year record.
Exception controls that support your compliance
Maker and checker
Agents draft. A named person signs every correction and reply, and a second person signs above your threshold.
Every statement cited
Each finding links to the partner email, the EPCIS event, the warehouse log, the repository or the ERP delivery, opened at the passage.
Signature and audit trail
Signer, time and meaning are stored with each record, which supports your 21 CFR Part 11 controls. Records are kept six years and export for an inspector.
Roles and enterprise security
Named roles for signer, sender, quality decider and reader; each partner sees only its own messages and scorecard. SOC 2 Type II audited, with information security managed to ISO 27001. Your trade data is not used to train models.
What the serialization team hands over, and what comes back
From the exchange
EPCIS commissioning, aggregation and shipping events, with acknowledgements and rejections
The exceptions mailbox and each partner's receiving status
Verification requests from the router, email and phone
From your own records
The serial repository
ERP deliveries
Pack station re-work and dock scan logs from your sites or 3PL
Your signers, clocks and partner agreements
Agents trace, reconcile and draftEvery exception and request, on its own clock
People sign every correction
Conflicts always go to a person
Outputs
The event chain per exception, with the broken link marked
Corrected EPCIS events and the partner message, signed
Verification answers inside 24 hours
Suspect product records and notification drafts for your decider
Partner scorecards and a six-year record
What changes for the team
A person starts at the decision, with the records already gathered
Routine requests answered; conflicts surfaced at once
Causes coded, so the most common one gets fixed
It connects by category to what you already run: your serialization repository and EPCIS gateway (EPCIS 1.2 over AS2, or EPCIS 2.0), the verification router, ERP, warehouse management systems at your sites and 3PLs, email, and your identity provider. The solution's design targets, to be measured on your own data: a 9.4-hour median from exception to released stock, 99.3% of verification requests answered automatically, all within 24 hours, and about half the effort per exception, an estimate.
Part C · Are you ready to automate?
Making the DSCSA exception software decision on your own numbers, from held pallets to a scored pilot
Written to you, the person who has to decide. Start with your own numbers, score your readiness honestly, and hold any vendor, including us, to the questions below.
18 · What held stock costs you
What a quarantined pallet costs: financing you can calculate, and staff hours you have to count
In shortNobody publishes the cost of an exception. What is published sets the frame: FDA's 10 business days, a limit on quarantine space, and a median accuracy near 98.5%. The financing cost of a held pallet is usually small. The hours, the partner's patience and the risk of a missed suspect product are where the money and the exposure sit.
10 business days
is FDA's recommended window to resolve a discrepancy. HDA warns that using all of it "could quickly result in quarantine area overflow".2,3
FDA guidance, Revision 1, January 2024; HDA, October 2024
6 years
at least, for transaction, investigation and disposition records.1
Section 582
$620
to finance the $2.09 million pallet for 26 hours, at an assumed 10% a year. Your rate will differ.
Arithmetic on the fictional case and an illustrative rate
$2,088,000 × 10% a year × 26 hours ÷ 8,760 hours a year ≈ $620
Run that sum on your own largest hold. It usually shows that money tied up is a smaller cost than it feels. Then look at the people: how many hands touched the exception, and what they were not doing meanwhile.
Most of the wait on one exception is time to find and draft, and that part can shrink
Estimated hours from the partner's notice to released stock, in the sample product-no-data case
By hand (estimate)With automation (design target)
Logging and reading the notice1.5 hours0.1 hours
Pulling the records6 hours0.1 hours
Comparing and finding the cause7 hours0.2 hours
Drafting the correction and reply3 hours0.5 hours
Review and signature4 hours4 hours
Partner re-scan and release4.5 hours4.5 hours
Illustrative · replace with your own numbers · From the solution's data: about 26 hours by hand, an estimate, against 9.4 hours, a design target. Neither is a measurement of your desk. Signature and re-scan stay the same on purpose.
Show the numbers
By hand (estimate)
With automation (design target)
Logging and reading the notice
1.5 hours
0.1 hours
Pulling the records
6 hours
0.1 hours
Comparing and finding the cause
7 hours
0.2 hours
Drafting the correction and reply
3 hours
0.5 hours
Review and signature
4 hours
4 hours
Partner re-scan and release
4.5 hours
4.5 hours
Finding the cost of your last 50 partner exceptions
Cost
Where it hides
How to find your number in a week
Hours per exception
Mailbox threads, chats, side calls to the warehouse
Take 50 closed exceptions. Note start, finish and everyone who touched each.
Elapsed time to release
The partner's system, your replies
Ask your top three partners for hold-to-release time, or read their scorecards.
Value held
Each hold looks small alone
Multiply held units by value from the ERP delivery. Sum by month.
Whose side it started on
Everyone assumes the other side
Code the same 50 by cause. Count your own share.
Non-routine verification requests
Phone logs and shared inboxes
Count a month's email and phone requests, with minutes each and how close each came to 24 hours.
Records you cannot find
Old mailboxes and departed staff
Pick five serials from three years ago. Time how long the full history takes.
Exception costs that no calculator counts
A suspect case read lateThe hours between a troubling record and a named decision are the hours you will have to explain.
A partner's trust in your dataA low match rate turns into more checks on your shipments, slower releases and harder conversations about terms.
Stock that misses its shelfA pallet held a day can mean a product short at the far end, and you may never hear about it.
The person who knowsWhen your serialization lead leaves, the map of which log answers which question leaves too.
19 · Your return
Hours, held stock and hand-answered verification requests: where automated exception tracing pays back
In shortThree levers you can count: hours per exception, shorter holds and fewer hand-answered verification requests. Prevention is a fourth, and it is usually the largest over time. Replace every illustrative input below with your own. Any return that rests on a number you cannot measure in a pilot is a guess.
Four levers on an exception desk, each with its formula
Hours
The trace, done for you
Records pulled and compared before a person opens the case, so the person starts at the decision.
A coded cause history shows which pack station, line template or partner to fix.
exceptions avoided × full cost of one exception
Your yearly value across 2,500 partner exceptions
No public source gives these inputs. Exception count and value held sit near the sample company's month. Hours by hand and the target come from the solution's own data. The rest are illustrative. Replace them all.
ExceptionsHeld stockVerification by hand
Illustrative yearly value
Hours spent on exceptions today0
Hours freed on exceptions0
Hours freed, valued$0
Carrying cost saved on held stock$0
Verification time freed, valued$0
Yearly value before cost of the software$0
Hours freed = exceptions × hours each × share saved. Carrying cost saved = exceptions × value held × rate × (hours today − hours with automation) ÷ 8,760. Verification time freed = requests × minutes ÷ 60 × share saved × hourly cost. Read hours freed as capacity for investigation and prevention; the calculator assumes your staffing stays the same. The value of a suspect case caught sooner is left out, because no honest figure exists.
At these inputs, people's hours outweigh the money tied up in held stock by about eight to one
The calculator's defaults, as first shown
Hours freed on exceptions$712.5K
Carrying cost saved on held stock$89.1K
Verification time freed$38K
Illustrative · replace with your own numbers · Every input is an assumption. Change them above and the split will move.
Show the numbers
Item
Value
Hours freed on exceptions
$712.5K
Carrying cost saved on held stock
$89.1K
Verification time freed
$38K
20 · Readiness check
Scoring your serialization team's readiness: serial records, warehouse logs, partner agreements and Form 3911
In shortEight questions, scored 0 to 2, and one for reflection. A low score points to data and procedures to fix first, and fixing them pays with or without software. Your answers stay on this page.
1
Exception volume
How many partner exceptions does your team handle in a year, and can you count them?
Why it mattersVolume turns hours per exception into capacity. Without a count, nothing else can be measured.
A strong answer"About 2,400, coded by category and partner, in one tracker."
2
Serial records
Can you pull a serial's complete history, from commissioning to its last event, in minutes?
Why it mattersEvery trace starts here. If a person must stitch it from systems, software will stumble at the same place.
A strong answer"Yes, from one repository, with history kept in EPCIS."
3
Warehouse logs
Do pack-station re-work logs, dock scans and gateway logs reach you, including those held by your 3PL?
Why it mattersThe cause usually sits in these logs. A trace that stops at the repository finds the symptom.
A strong answer"Daily feeds from each site, and a contract clause that requires them."
4
Partner agreements
Have you agreed exception timing, contacts and notice format with your main trading partners?
Why it mattersFDA's window and your partner's quarantine are far apart. HDA's Communication Guide gives a format to agree.
A strong answer"Yes, with our top ten, using a monitored group mailbox and HDA's fields."
5
Suspect product procedure
Does a written procedure name who determines suspect, cleared and illegitimate, including nights and holidays?
Why it mattersA 24-hour clock runs from a named person's determination. Software can route to that person only if the person exists.
A strong answer"Distribution quality owns it, with a named deputy and an on-call rota."
6
Form 3911 readiness
Is your organization set up on FDA's 3911 platform, with people who have used it or practiced?
Why it mattersA first login at hour 23 is a poor plan. So is not knowing who tells your immediate trading partners.
A strong answer"Accounts in place, a mock notification last quarter, a partner list by product."
7
Signatures and records
Can you show who signed each correction, with what meaning, for six years?
Why it mattersFDA asks for the nature of the error, the fix, the names and the date, and section 582 sets six years.
A strong answer"Each correction has a signer, a meaning and an export, kept in a controlled system."
8
Owner, budget and quality
Is there one owner and a budget, and does quality know how you would validate this?
Why it mattersThis crosses serialization, trade, quality, warehouses and IT. Without an owner the pilot stalls at the first disagreement.
A strong answer"The head of serialization owns it, quality reviewed the approach, the pilot has money."
9
For reflection
If an inspector picked one serial from a return three years ago and asked for every event, who answered the request and who decided, how long would that take you?
Why it mattersYour answer lists the gaps, and each gap is a candidate job for software or a better procedure.
A strong answer"Under a minute, from one record, with the signature attached."
0–6
Explore
Fix the foundations first: count and code your exceptions, write the suspect product procedure, name deputies and set up FDA's platform. These pay back with or without software.
7–11
Ready to pilot
Run a measured pilot on 50 to 100 past exceptions whose causes you already know, then a set of live ones in parallel. Compare causes found, drafts accepted and hours with your baseline.
12–16
Ready to implement
Plan the rollout: partner connections, warehouse feeds, signers and clocks as settings, validation with quality, and scorecards you are willing to share.
21 · Questions for any vendor
Ten questions that test DSCSA exception software on tracing, corrected records, suspect product and AI
In shortAsk these of anyone selling exception software, including us. Good answers come with a demonstration on your own past exceptions. A vendor who answers with a feature list, or who claims a certified product, has told you something too.
A
Finding the true cause of a partner exception
A1
Run 50 of our past exceptions. How many causes does it find that we also found, and what does it say when the records do not show a cause?
Why it mattersThe share found on your own cases is the number that matters, and "unknown" is an honest answer.
Strong answer · warning sign
Runs it, shows both lists, reports unknowns.
A demo on the vendor's sample only.
A2
Can it read our pack station, dock and gateway logs, including those held by our 3PL?
Why it mattersTools that stop at the serial repository show the symptom.
Strong answer · warning sign
Names the feeds, and shows a re-work traced end to end.
"Your team uploads what is relevant."
B
Keeping records intact when data is corrected
B1
Can the system change an existing EPCIS event, or does it draft new ones for signature?
Why it mattersThe chain's value rests on history staying as written. PDG says a sender replaces events with corrected ones.
Strong answer · warning sign
Read-only on history. New events, signed.
"An admin can edit a record."
B2
What does the resolution record hold, and can we export it?
Why it mattersFDA asks for the nature of the error, how it was resolved, the names and the date.
Strong answer · warning sign
All four, for six years, exportable by serial.
A ticket history only.
C
Suspect product and Form FDA 3911
C1
What happens when a history conflicts? Can any setting answer it automatically?
Why it mattersThe most damaging error here is a routine answer on a serial that needed a person.
Strong answer · warning sign
Stops for a person, and that rule is locked.
A confidence threshold you can lower.
C2
Who determines illegitimate product, and how is the time of that determination recorded?
Why it mattersThe 24 hours run from it, and a person at your company answers for it.
Strong answer · warning sign
A named signer, a meaning, a timestamp.
"The system flags and files."
C3
Does it handle the high-risk route, follow-ups by incident number, termination and cleared product notifications?
Why it mattersA draft for the first notification covers only part of the duty.
Strong answer · warning sign
Shows each route, and FDA's wait on termination.
Only the initial form.
D
AI, security and enterprise scale
D1
Does each statement in a finding link to the record behind it? What happens to our data, and do you train on it?
Why it mattersA trace you cannot check is an opinion, and your trade data is sensitive.
Strong answer · warning sign
Every statement cited, your data not used for training, and audited security.
A summary with a confidence score.
D2
How do you support Part 11 and validation, and how do you describe that claim?
Why it mattersA product cannot be certified for Part 11 or GxP. Controls can support your compliance.
Strong answer · warning sign
Controls, documents, and clear lines of responsibility.
"We are Part 11 certified."
D3
What will the 12-digit NDC change, and when will you be ready?
Why it mattersFDA's rule takes effect March 7, 2033, and master data will move before that.
Strong answer · warning sign
A plan by field and by partner.
"We will look at it nearer the time."
22 · A pilot on past exceptions
Piloting on partner exceptions you already solved: ten weeks, scored against your own records
In shortPilot on 50 to 100 past exceptions whose causes you know, plus every past suspect case you can share, so you can score every result. Add live exceptions in parallel when the first results hold. Keep your people signing, and decide on numbers you set before you started.
Past cases give you a scored result by week 6, and live exceptions run in parallel to week 9
Your teamVendor
Baseline and scoring rules
Connect repository, ERP and warehouse logs
Set signers, clocks and rules
Run past exceptions and score causes
Review disagreements with quality
Live exceptions in parallel, no sending
Measure and decide
Week 0246810
Illustrative · replace with your own numbers
Show the numbers
Activity
From
To
Baseline and scoring rules
0
2
Connect repository, ERP and warehouse logs
0
3
Set signers, clocks and rules
1
3
Run past exceptions and score causes
3
6
Review disagreements with quality
4
6
Live exceptions in parallel, no sending
6
9
Measure and decide
9
10
Measures that decide a DSCSA exception pilot
Measure
How to take it
Decide against
Causes found
Against what you recorded on past exceptions; review every disagreement
Your own record, and "unknown" counted honestly
Conflicts stopped
Include known conflicts, and count every one that reaches a person
All of them, every time
Correction drafts accepted
Share signed without edit, by exception type
A threshold your lead accepts
Hours per exception
Timed by your people, including review
Your baseline from section 18
Elapsed time to release
From the partner's notice to its release, on live cases
Your baseline, and each partner's agreement
Verification answers on time
Every request against its 24 hours, by channel
All of them
Deeper questions to settle before you start
Which partners go first? A partner with many exceptions tests more, and one willing to share scorecards teaches more.
Which sites' logs can you reach, and who at your 3PL approves the feed?
How will quality treat the pilot: as a validated use, or as a parallel run that changes no records?
Who decides during the pilot if a live case turns suspect? The answer must not change because a pilot is running.
What will you tell partners, and do your agreements allow their notices to pass through a new system?
Which past suspect cases can be shared, and with what care for those named?
23 · Questions buyers ask
DSCSA exception management FAQ: categories, deadlines, suspect product, Form 3911 and exemptions
In shortThe questions people search, each answered on its own, with the regulatory status as of November 2026.
What is DSCSA exception management?
It is the work of resolving mismatches between prescription drug products and their electronic transaction data under the Drug Supply Chain Security Act. A team classifies the exception, traces it through serial, warehouse and shipping records, corrects the data with its trading partner, and documents the resolution. If the records give reason to believe the product may be counterfeit, diverted, stolen or otherwise illegitimate, the case becomes a suspect product investigation, and a named person decides.
What are the five DSCSA exception categories?
The Healthcare Distribution Alliance's 2023 guidelines use five: data issue, product no data, data no product, packaging and labeling, and unavailable for distribution. The Partnership for DSCSA Governance's Blueprint follows the HDA guideline and extends it to dispensers. Both are voluntary industry guides, and older training material may still use HDA's six categories from 2022.
How long does a trading partner have to resolve a DSCSA exception?
FDA's guidance on enhanced drug distribution security, Revision 1 of January 2024, recommends resolving a clerical error or discrepancy within 10 business days, and says the product should not be sold on until it is documented and resolved. The guidance is nonbinding. HDA warns that using the full window could quickly overflow quarantine areas, so trading partners often agree much faster targets in their own contracts.
What is the difference between suspect product and illegitimate product?
Suspect product means there is reason to believe a product is potentially counterfeit, diverted, stolen, intentionally adulterated, the subject of a fraudulent transaction or otherwise unfit for distribution. Illegitimate product uses nearly the same list, where credible evidence shows it. Suspect product must be quarantined and investigated. Illegitimate product must be quarantined and disposed of, and FDA and immediate trading partners must be notified within 24 hours.
What is Form FDA 3911 used for?
Form FDA 3911 is how a manufacturer, repackager, wholesale distributor or dispenser notifies FDA of an illegitimate product, and how a manufacturer notifies FDA of a high risk of illegitimacy. It is due within 24 hours of the determination. FDA prefers the 3911 platform in CDER NextGen, also accepts the form by email, and issues an incident number that later messages must cite. The same form is used to ask for a notification to be terminated.
How do you terminate an illegitimate product notification?
The trading partner that notified asks FDA for termination through the same route, with the incident number and an explanation of why the notification is no longer necessary. FDA treats the request as a consultation and intends to respond within 10 business days, though it may need longer. The trading partner must wait for that response before telling others that the notification has ended.
How long does a manufacturer have to answer a DSCSA verification request?
A manufacturer must answer not later than 24 hours after receiving a verification request from an authorized repackager, wholesale distributor or dispenser, under section 582(b)(4)(C). FDA may set another reasonable time. A manufacturer can use a secure database for this and must still answer requests sent another way. If the identifier does not match, the manufacturer treats the product as suspect and investigates.
When did the FDA DSCSA exemptions end, and who is still exempt?
For eligible trading partners, exemptions ended May 27, 2025 for manufacturers and repackagers, August 27, 2025 for wholesale distributors, and November 27, 2025 for dispensers with 26 or more full-time employees. FDA extended the small dispenser exemption in August 2026 to November 27, 2027, for companies with 25 or fewer full-time pharmacists and pharmacy technicians, and it reaches their trading partners where applicable. A trading partner may also hold its own waiver, exception or exemption.
Does a cleared suspect product have to be reported to FDA?
FDA expects a cleared product notification only when the product was the subject of an FDA request for verification. Where FDA made no such request, a trading partner is not expected to submit one. The trading partner keeps its investigation records for at least six years, and other FD&C Act requirements still apply before the product is distributed further.
How long must DSCSA records be kept?
Section 582 requires transaction records for not less than 6 years after the transaction, suspect product investigation records for not less than 6 years after the investigation ends, and records of illegitimate product disposition for not less than 6 years after the disposition. FDA also asks that a discrepancy resolution records the nature of the error, how it was resolved, the people involved and the date.
Can AI decide whether a drug product is suspect?
Section 582 places the determination on the trading partner, so a named person should decide and sign. AI can gather a serial's history, compare records and draft a finding or a notification for that person. FDA's January 2025 draft on AI in regulatory decisions leaves out operational efficiencies, and no FDA text we found sets specific rules for AI in DSCSA exception work.
How will the 12-digit NDC affect DSCSA data?
FDA's final rule moves all NDCs to a uniform 12-digit format on March 7, 2033, with a three-year labeling transition to March 6, 2036. A single 2D barcode encoding the 12-digit NDC under GS1 application identifier 715, with serial, lot and expiry, may then serve both barcode and DSCSA requirements. Master data, repositories and partner setups will need to carry the change, so expect a new source of data issues during the move.
24 · Summary and glossary
The DSCSA exception method in eight steps, its status in November 2026 and 14 terms
In shortFind the cause in the records, correct what is a record error, send what is not to a person, and keep the proof for six years.
The whole guide
Hold what is affected, and tell the seller. Use a tracking number and HDA's fields.
Set scope and category. Check that nothing here gives reason to believe the product is suspect.
Trace through the serial records, ERP delivery, warehouse and gateway logs. Cite each.
Correct with new events. Sign, send, document the error, the fix, the names and the date.
On a conflict, quarantine and investigate with partners. A named person decides.
On illegitimate product, notify FDA and immediate partners within 24 hours, then consult before ending it.
Answer every verification request within 24 hours, and keep every record six years.
Code causes, and fix the one you see most.
Readiness: score 0–2 on eight questions: 0–6 explore · 7–11 pilot · 12–16 implement.
As of November 2026: exemptions for eligible manufacturers, repackagers, wholesale distributors and larger dispensers have ended · small dispensers exempt to November 27, 2027 · FDA's package-level guidance, Revision 1, January 2024, recommends 10 business days for discrepancies · 12-digit NDC effective March 7, 2033 · draft EU GMP Annex 22 still a draft · FDA's AI guidance still a draft.
14 terms
DSCSA
Drug Supply Chain Security Act of 2013, sections 581 and 582 of the FD&C Act.
Trading partner
A manufacturer, repackager, wholesale distributor, dispenser or third-party logistics provider in a transaction.
EPCIS
A GS1 standard for recording events about a product; the main format for DSCSA data.
Transaction information
The required data about a product changing owners, including the package identifier since 2023.
Product identifier
The NDC, serial number, lot and expiry on a package, in both readable and scannable form.
GTIN and GLN
GS1 numbers for a trade item and for a location.
Aggregation
Linking packages to the case, and cases to the pallet, they travel in.
Inference
Using a scan of the outer unit to infer what is inside.
Quarantine
Storage or identification that prevents distribution or transfer.
Suspect product
A product with reason to believe it may be illegitimate.
Illegitimate product
A product where credible evidence shows it is counterfeit, diverted, stolen or otherwise on the law's list.
Saleable return
Product returned that will be resold. A wholesaler verifies it first, and anyone accepting it must match it to its transaction data.
Verification router
A service that passes verification requests between trading partners and the manufacturer's records.
Form FDA 3911
FDA's form for illegitimate product and high-risk notifications, and for asking to end one.
25 · Sources
Sources
Read November 3, 2026. Regulatory status statements are as of November 2026.
21 U.S.C. 360eee-1, section 582 of the FD&C Act, requirements. United States Code, 2024 edition, U.S. Government Publishing Office. govinfo.gov
FDA, "Enhanced Drug Distribution Security at the Package Level Under the Drug Supply Chain Security Act", guidance for industry, Revision 1, January 2024. fda.gov
Healthcare Distribution Alliance, "Exceptions Data Correction Guide for the DSCSA", October 2024. hda.org
Cardinal Health, "Interoperability Data Exchange Errors & Exception Handling: DSCSA Pilot Project, Final Report", 2020, updated September 30, 2022, posted by FDA. fda.gov
21 U.S.C. 360eee, section 581 of the FD&C Act, definitions. United States Code, 2024 edition, U.S. Government Publishing Office. govinfo.gov
FDA, "Verification Systems Under the Drug Supply Chain Security Act for Certain Prescription Drugs", final guidance, December 2023. fda.gov
FDA, "Drug Supply Chain Security Act Implementation: Identification of Suspect Product and Notification", guidance for industry, Revision 1, June 2021. fda.gov
FDA, notice of availability, "Definitions of Suspect Product and Illegitimate Product for Verification Obligations Under the Drug Supply Chain Security Act", Federal Register, March 16, 2023, Docket FDA-2018-D-0338. govinfo.gov
FDA, "DSCSA Exemptions from Section 582(g)(1) and Other Requirements of the FD&C Act for Certain Trading Partners", issued October 9, 2024. fda.gov
FDA, "Exemptions Under the Drug Supply Chain Security Act", content current August 26, 2026. fda.gov
FDA, "National Drug Code Format", content current July 8, 2026. fda.gov
Partnership for DSCSA Governance, "DSCSA Implementation Survey Results", surveys from May 2024 to September 10, 2025. dscsagovernance.org
Pharmaceutical Commerce, "FDA launches small dispenser assessment, grants DSCSA exemptions", August 7, 2026. pharmaceuticalcommerce.com
Quarles & Brady, "FDA Issues Broad Exemptions from DSCSA Enhanced Drug Distribution Security Requirements", October 10, 2024. quarles.com
FDA, "Drug Supply Chain Security Act Law and Policies", list of guidances, content current June 18, 2024. fda.gov
Partnership for DSCSA Governance, "Foundational Blueprint for 2023 Interoperability, Chapter 3: DSCSA TI and TS Exchange Functional Design", version 1.5, January 15, 2026. dscsagovernance.org
Healthcare Distribution Alliance, "Exceptions Handling Guidelines for the DSCSA", 2023, publication page listing the five categories. hda.org
Healthcare Distribution Alliance, "Exceptions Handling Guidelines for the DSCSA", first edition, April 2022, the earlier six categories. hda.org
Healthcare Distribution Alliance, "DSCSA Exceptions Handling Communication Guide", 2024. hda.org
Pharmaceutical Commerce, "HDA pilot study identifies possible solutions for DSCSA compliance on returned product", November 14, 2016. pharmaceuticalcommerce.com
C. Accettura, "PDG-FDA Town Hall Notes: DSCSA Readiness Is At Hand", Pharmaceutical Online guest column, April 24, 2025, on the town hall of March 26, 2025. pharmaceuticalonline.com
FDA, "Notify FDA of Illegitimate Products", content current June 12, 2024. fda.gov
AmerisourceBergen, "Whitepaper: AmerisourceBergen Pilots Product Exceptions Handling", file dated November 1, 2019. amerisourcebergen.com
J. Eglovitch, "Experts worried about exceptions process handling under DSCSA", RAPS Regulatory Focus, August 18, 2023. raps.org
HHS Office of Inspector General, "Owners and CEO of Wholesale Pharmaceutical Company Sentenced for Distributing More Than $92M of Black-Market HIV Drugs", posted March 16, 2026. oig.hhs.gov
HHS Office of Inspector General, "Owners and CEO of Wholesale Pharmaceutical Company Convicted of Distributing More Than $92 Million of Black-Market HIV Drugs", posted November 17, 2025. oig.hhs.gov
Partnership for Safe Medicines, news summary of November 3, 2025, on the Safe Chain convictions. safemedicines.org
Healthcare Distribution Alliance, "HDA Statement on DSCSA Implementation Milestone for Distributors", August 27, 2025. hda.org
J. Eglovitch, "Most distributors met DSCSA requirements by August", RAPS Regulatory Focus, September 2, 2025. raps.org
PDG, HDA and GS1 US, "Exception Handling Workshop Report", March 2023. dscsagovernance.org
MarketsandMarkets, "Track and Trace Solutions Market Worth $14.73 Billion by 2031", PR Newswire, June 4, 2026. prnewswire.com
FDA, "Considerations for the Use of Artificial Intelligence to Support Regulatory Decision-Making for Drug and Biological Products", draft guidance, January 2025, Docket FDA-2024-D-4689. fda.gov
21 CFR 11.1, scope of Part 11, electronic records and electronic signatures. Code of Federal Regulations, 2025 edition, revised as of April 1, 2025, govinfo. govinfo.gov
FDA, "Computer Software Assurance for Production and Quality Management System Software", final guidance, February 2026. fda.gov
ISPE, GAMP Guide: Artificial Intelligence, July 2025, publisher's page. The guide itself is sold; we read the page. ispe.org
European Commission and PIC/S, draft EU GMP Annex 22, Artificial Intelligence, consultation July 7 to October 7, 2025. picscheme.org
FDA, final rule, "Revising the National Drug Code Format and Drug Label Barcode Requirements", Federal Register 91 FR 10749, March 5, 2026, FR Doc. 2026-04368, Docket FDA-2021-N-1351. govinfo.gov
Next step
See it on your own partner exceptions.
Explore the solution, or bring a sample of your past partner exceptions and verification requests, and we will trace them with you, every finding linked to its record and every decision left with your people.
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