Bring the records together
Start with the carrier invoice, agreement, shipment manifest, and the applicable rate and surcharge guides. For disputed measurements or delivery issues, retain the evidence your carrier requires. A summary bill alone rarely explains every charge.
Use a shipment identifier to connect the records. Preserve the shipping date, service, package measurements, address, and billed amounts rather than flattening everything into a single total.
Check the expected charge
Recalculate transportation using the right service, zone, billable weight, and agreement. Apply minimums and qualifying discounts under their actual rules. Then check surcharges and fuel for the shipment period.
Separate a calculation discrepancy from a data discrepancy. A different measured dimension may explain a charge even when the arithmetic is correct. Missing evidence should remain an open question.
Distinguish opportunity from recovery
A possible billing error is an item to investigate. It becomes an approved credit only after the carrier accepts the dispute, and it becomes a realized recovery only when the credit or payment is reconciled.
Service-guarantee eligibility, filing windows, and contract exclusions vary. Check the governing terms before promising a refund. Keep a record of the claim, decision, and eventual credit so the outcome can be verified.
Use the findings to improve operations
Track recurring issues by cause: dimensions, address quality, duplicate billing, rate implementation, or an unexpected fee. Resolve the upstream cause where possible rather than repeatedly disputing the same pattern.
Retain both recovered amounts and unresolved items. That distinction helps finance evaluate the audit accurately and gives operations a clear list of changes to test.
Official references
An educational reference prepared by Kadima Logistics. Examples explain the concept. Consult the applicable service guide and agreement for your shipment.