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Freight invoice audit checklist

A practical checklist for reviewing carrier invoices.

Use this checklist to structure a freight invoice review. It is designed to surface questions that deserve evidence, not to turn every difference into a recovery claim.

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Before you audit a freight invoice

Define the population first: entity, date range, carriers, modes, currencies, invoice set, and exclusions. A checklist is useful only when the reviewer knows what is in scope and which commercial sources are supposed to control the billed charges.

Keep the invoice, shipment evidence, rate authority, and later settlement evidence separate. A discrepancy discovered during the checklist is a candidate finding, not recovered money.

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15 freight invoice audit checks

  1. Match each invoice to a real shipment using shipment, PRO, tracking, BOL, or equivalent identity.
  2. Check for exact and near-duplicate invoices or duplicated charge lines.
  3. Confirm the carrier, account, mode, and service level are correct.
  4. Resolve the controlling contract, tariff, rate confirmation, or spot quote.
  5. Verify the rate version and effective date that applied on the shipment date.
  6. Recalculate the base transportation charge.
  7. Verify discounts, minimum charges, weight breaks, and lane rules.
  8. Audit fuel surcharge source, percentage, base, and effective period.
  9. Validate accessorial entitlement and pricing against shipment evidence.
  10. Check weight, dimensions, freight class, reweigh, or reclassification support where relevant.
  11. Verify taxes, currency, and exchange-rate treatment where applicable.
  12. Check corrected invoices, rebills, and credit-and-rebill sequences before flagging duplicates.
  13. Identify existing automatic or incumbent-known credits so they are not double-counted.
  14. Separate potential discrepancies from approved claims.
  15. Link any actual credit, refund, or remittance back to one validated finding and account for later reversals.

For a deeper walkthrough of the calculations and evidence chain, see the freight invoice audit guide.

03

Mode-specific notes

LTL: pay particular attention to freight class, billed weight, reweigh/reclassification notices, lane/rate authority, minimum charges, fuel, and accessorial support. Parcel: review dimensional weight, service level, residential/remote-area surcharges, address corrections, duplicate charges, and credits. Truckload: compare the invoice to the rate confirmation or governing contract and verify detention, layover, stop-off, lumper, and other accessorial evidence. Air, ocean, and intermodal: confirm quote/tariff authority, shipment milestones, surcharges, currency, and the exact service purchased before asserting a variance.

04

What makes a checklist result defensible?

A valid finding should preserve four things: the economic identity of the shipment, the commercial authority in force at the time, the independent recalculation, and the review disposition. If one of those is missing, the item should remain unresolved rather than being promoted into a savings or recovery number.

The RETALLY Evidence Standard formalizes that boundary.

05

What happens after the checklist?

Separate the results into supported, rejected, and unresolved items. For supported post-payment findings, confirm whether the customer already knew about the issue, whether an automatic credit is already in flight, and whether another auditor or carrier claim already covers the same economic value.

Only after customer authorization should recovery action begin. Credits, refunds, remittances, offsets, and later reversals should then be reconciled back to the validated finding once, without double counting.

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Freight invoice audit checklist FAQ

Can I audit a freight invoice with only the invoice?

You can identify obvious arithmetic or duplicate-looking issues, but a defensible monetary finding often also needs shipment identity and the contract, tariff, rate confirmation, or other commercial source that governed the charge.

Should a duplicate-looking invoice always be rejected?

No. Corrected invoices, rebills, and credit-and-rebill sequences can resemble duplicates. Establish the economic identity and final account state before treating the charge as duplicated.

Can this checklist be used after freight has already been paid?

Yes. A post-payment audit can apply the same evidence checks to historical paid invoices, subject to the governing agreement, deadlines, carrier rules, and available records.

07

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Related freight-audit resources

freight invoice audit · duplicate freight charges · carrier rate audit