Freight Audit
The systematic review and verification of freight invoices against contracted rates, shipment records, and accessorial charges to identify billing errors and recover overcharges.
Full Definition
Freight audit is the process of verifying carrier invoices against contracted tariffs, negotiated rates, accessorial charge schedules, and actual shipment data to identify and dispute billing errors before payment. Studies consistently show that 5-10% of freight invoices contain errors—resulting in overcharges that companies without audit processes routinely pay without investigation. For a company spending $50M annually on freight, a 7% error rate represents $3.5M in annual overcharges—a material amount recoverable through systematic audit without capital investment or operational change. Freight billing errors occur in several patterns: rate misapplication (carrier bills at a higher rate than the contracted tariff for that lane or weight break), accessorial overcharges (incorrect application of fuel surcharges, residential delivery fees, dimensional weight charges, or address correction fees), duplicate billing (the same shipment invoiced twice), mismatch between quoted delivery service level and actual service delivered, and incorrect shipment dimensions or weight used as the billing basis. Each error type requires a different audit methodology and different recovery documentation. Freight audit is commonly outsourced to third-party freight audit and payment (FAP) firms that specialize in rate contract management, invoice processing, and dispute resolution. FAP firms are typically compensated on a contingency basis (a percentage of recovered overcharges) or through a per-invoice processing fee. Large shippers with sufficient volume and internal capability may build in-house freight audit teams. The freight audit function is increasingly automated through transportation management systems (TMS) that compare invoiced charges against contracted rates at the invoice line level in real time, enabling immediate dispute filing before payment rather than after-the-fact recovery.
FAQs
What is the typical ROI on a freight audit program?
Freight audit programs typically generate 3-10x ROI on program costs (technology, staffing, or FAP fees), recovering 2-8% of total freight spend in identified overcharges and billing errors. The ROI is higher in the first year as historical overcharges are identified and disputed; steady-state ROI reflects the ongoing error rate after processes tighten. Companies transitioning from no audit to systematic audit typically recover first-year credits that cover program costs for 2-3 years.
How long can overcharges be recovered after payment?
Carrier tariff rules and freight claims regulations typically allow dispute filing for 90-180 days after invoice payment. For freight moving under contracts governed by the federal Carmack Amendment, claims may be filed up to 9 months after delivery. Most freight audit programs focus on pre-payment audit to avoid payment of disputed amounts, which is simpler than post-payment recovery—recovered credits require negotiation rather than simply withholding disputed invoice amounts.
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