Keep the complete shipment file for at least three years from delivery: rate confirmation, bill of lading, signed POD, carrier invoice with its captured receipt date, proof of payment, and all dated dispute correspondence. Three years comes from the outer edge of the deadlines that can still reach a domestic freight charge, not from any agency filing rule, and freight records retention requirements for a shipper are set by those deadlines rather than by a retention schedule written for you.
That distinction matters because it tells you what to do when a document type is not on anyone’s list. Ask which clock could still make this document matter, then keep it past that clock.
This post gives the deadlines, the document-by-document retention table those deadlines produce, and the two fields most AP operations fail to store at all.
There is no shipper freight-records schedule to look up
Say this plainly, because people go looking and come back with something that does not apply to them.
Federal transportation regulation is written mostly at carriers, forwarders and brokers. When a shipper asks “how long am I required to keep freight bills,” the honest answer is that the binding constraints usually come from somewhere else: your tax and accounting record policy, your auditors, your customers’ contracts, and any industry-specific rules your product carries. Nothing in this post substitutes for those, and none of them are freight rules.
What freight regulation gives you instead is better than a schedule. It gives you a set of dated windows in which money can still move in either direction. Keep the file longer than the longest window that can reach it and you are covered for every argument that actually happens.
The deadlines that set retention
Six clocks do nearly all the work. Every one of them is enforceable only against a party that can produce a dated document.
| Clock | Length | Runs from | Rule |
|---|---|---|---|
| Carrier must present the freight bill | 7 days | Receipt of shipment (prepaid) or delivery (collect) | 49 CFR 377.205 |
| Credit period for payment | 15 days, up to 30 by published tariff | Day after presentation of the bill | 49 CFR 377.203 |
| Carrier’s revised bill for late-payment or collection charges | 90 days | Expiration of the authorized credit period | 49 CFR 377.203 |
| Carrier billing additional charges, and your window to contest a bill | 180 days each | Your receipt of the original bill | 49 U.S.C. 13710 |
| Suit on freight charges or overcharges | 18 months | Accrual, on delivery or tender of delivery | 49 U.S.C. 14705 |
| Overcharge complaint filed with the Board or the Secretary | 3 years | Accrual | 49 U.S.C. 14705 |
Loss and damage runs separately. Under 49 U.S.C. 14706, a carrier may not impose a claim-filing period shorter than 9 months or a suit period shorter than 2 years, the 2 years running from the carrier’s written disallowance. Your governing bill of lading or contract sets the actual number within those floors.
Three years is the longest of these for routine domestic freight, driven by the agency-complaint route on overcharges. Government shipments also run 3 years under 14705. That is where the three-year baseline comes from, and why “we purge at 12 months” quietly closes off real recoveries. How the clocks stack in sequence is worked through in how long a carrier has to sue for unpaid freight charges, and the whole set is collected in every freight billing deadline with the rule behind it.
What the rules say a claim has to be accompanied by
The retention list is not a guess. Two regulations describe the documents a claim actually requires, which is as close to a retention specification as freight regulation gets.
For money disputes, 49 CFR 378.4 provides that an overcharge claim must be accompanied by the freight bill, the rate, classification, weight or tariff authority relied on, and payment information. The section also provides that inadequate documentation alone cannot disqualify a claim, which is a genuine protection and a bad thing to rely on. Read the list as your retention list: bill, authority, payment record.
For loss and damage, 49 CFR 370.7 requires the carrier to investigate thoroughly and to obtain the bill of lading, evidence of the freight charges, and the invoice or certified value documentation, plus a certified statement of non-receipt from the consignee on full-loss claims. Those documents come from you. If you cannot produce them, the investigation stalls on your side of the file.
And 49 CFR 373.103 tells you what a freight or expense bill has to show in the first place: consignor and consignee names, shipment date, origin and destination, package count, freight description, weight or volume, the exact rates assessed, the total charges due with the nature and amount of each charge, the route and each participating carrier, transfer points, and the remittance address. A bill missing those fields is worth less to you later, so the time to ask for a compliant bill is at intake, not at claim time.
The retention table
Minimum retention below is measured from delivery unless noted. These are practice recommendations built on the clocks above, not legal advice, and your tax, audit and customer-contract obligations may be longer.
| Document | Keep at least | Why that long |
|---|---|---|
| Signed POD or delivery receipt | 3 years | Fixes the accrual date for every clock in 14705, and carries the in and out timestamps a detention dispute lives on |
| Bill of lading | 3 years | Required in a loss and damage investigation under 370.7; establishes what was tendered, class, weight and piece count |
| Rate confirmation | 3 years | The authorization document for every accessorial and the rate itself |
| Carrier invoice, with captured receipt date | 3 years | Starts both 180-day windows in 13710; required with an overcharge claim under 378.4 |
| Proof of payment or remittance advice | 3 years | “Payment information” under 378.4; the only way to prove a duplicate payment |
| Dispute and short-pay correspondence, dated | 3 years past resolution | Proves the dispute was raised inside the contest window and tracks any disallowance |
| Rules tariff and accessorial schedule versions in effect | 3 years past expiry | You need the version in force on the shipment date, not today’s version |
| Transportation agreement or contract | Term plus 3 years | Contractual dispute and notice terms govern before any statute does |
| Weight and dimension records, scale tickets, dimensioner images | 3 years | The evidence base for reweigh and reclass disputes, on both sides |
| Claim file: claim letter, acknowledgment, correspondence, disposition | 3 years past final disposition | Carmack suit periods run from written disallowance, so the disallowance date has to survive |
| Fuel surcharge schedule and the index values applied | 3 years | Recomputation requires the schedule in force on the effective date |
| Accessorial approvals, emails and phone logs | 3 years | Contemporaneous authorization is the whole argument on an accessorial |
Two notes on the table.
Correspondence is not filler. In a limitations argument, dated correspondence often outperforms the shipment documents, because the question is usually when something was raised rather than what happened on the dock. Store it in the load file, not only in someone’s mailbox.
Tariff versions expire and disappear. Carriers publish rules tariffs and revise them. A dispute two years from now turns on the item text in force on the shipment date, and there is no guarantee that version is still on the carrier’s website. When your contract incorporates a rules tariff by reference, snapshot it, and re-snapshot it when it changes.
The two fields nobody stores
Most freight AP systems keep the documents and lose the two facts that make the documents useful.
The invoice receipt date. Both 180-day windows in 13710 run from your receipt of the original bill, not the invoice date printed by the carrier. If receipt is not a stored field, you have no way to age a balance-due invoice, no way to prove a rebill arrived late, and no way to know your own contest window is closing. This is the single highest-value change most operations can make, and it is a timestamp on intake. It is what makes the argument in the 180-day rule for balance-due freight invoices usable rather than theoretical.
The dispute-raised date. When a line is contested, store the date it was raised and the date and content of the carrier’s response. Short-pays that are not documented as dated disputes turn into aged receivables with no history, which is how a legitimate deduction resurfaces eighteen months later as a collection demand.
Both are metadata, not documents. Neither requires new software. Both determine whether a saved PDF is evidence or just a file.
Retention is a searchability problem
A document you cannot find within a few minutes is functionally not retained.
Three properties decide whether an archive works when someone actually needs it:
- Keyed to identifiers a carrier will use. PRO number, BOL number, load or shipment number, and invoice number. A carrier’s collections desk will reference the PRO. If your archive is keyed only to your internal load ID, every stale demand becomes a research project.
- Complete per load, not per document type. A folder of invoices and a separate folder of PODs is worse than one file per shipment containing both. Disputes are per shipment.
- Legible. A photo of a POD where the times are unreadable does not carry an argument. This is the practical reason the documents that win a detention dispute fail as often on capture quality as on retention.
The searchability point also decides your storage horizon. If retrieval is cheap and fast, keeping seven years costs almost nothing and occasionally saves a large claim. If retrieval means someone digging through a shared drive, longer retention buys you very little.
What actually goes wrong
Four failures produce nearly all the lost arguments, and none of them are about storage capacity.
Purging on a fiscal calendar. A 12-month or 24-month purge is inside the 18-month suit window and well inside the 3-year overcharge complaint window. Loads delivered in the back half of a purged year lose their evidence while they are still live.
Keeping the invoice and not the rate confirmation. AP systems archive what they pay against. The rate con usually lives in a TMS, a broker portal, or an inbox. Without it you cannot show an accessorial was unauthorized, which is the core of the argument in when a carrier invoice does not match the rate confirmation.
Losing the POD timestamps. The signed receipt gets stored as an image with the times cut off or too dark to read. Detention and dwell arguments turn entirely on those times, and when detention free time starts is unanswerable without them.
Storing dispute history in an individual’s mailbox. The person who ran the dispute leaves, and the written record of a timely contest leaves with them.
The closing checklist
- Set a default retention of 3 years from delivery for the complete shipment file, and longer where tax, audit or customer contracts require it.
- Store one file per shipment, containing rate con, BOL, POD, invoice, payment record and correspondence together.
- Capture the invoice receipt date automatically at intake, as a data field.
- Capture the dispute-raised date and the carrier’s response date on every contested line.
- Snapshot the rules tariff and accessorial schedule versions in force, and re-snapshot on revision.
- Key the archive to PRO, BOL, load and invoice numbers so a carrier’s reference finds the file.
- Check POD legibility at capture, especially arrival and departure times.
- Keep claim files 3 years past final disposition, because Carmack suit periods run from the written disallowance date.
- Before any purge, exclude loads with an open dispute, an open claim, or an unresolved short-pay, regardless of age.
Retention feels like an administrative chore until the week a carrier bills you for something six months old. Then it is the only thing that decides the outcome. Keep the file, keep the dates, and make both findable.
Sources
- 49 U.S.C. 13710, additional charges and the 180-day contest window (Cornell LII)
- 49 U.S.C. 14705, limitation periods for freight charges and overcharges (Cornell LII)
- 49 U.S.C. 14706, Carmack minimum claim and suit periods (Cornell LII)
- 49 CFR 377.203, credit periods and revised freight bills (Cornell LII)
- 49 CFR 377.205, presentation of the freight bill and required terms (Cornell LII)
- 49 CFR 373.103, contents of a freight or expense bill (Cornell LII)
- 49 CFR 378.4, documentation required with an overcharge claim (Cornell LII)
- 49 CFR 370.7, investigation of loss and damage claims and the documents required (Cornell LII)