Freight invoice audit discrepancies between contracted rates and actual charges on LTL shipments costing shippers 5-15% overpayment

Shippers who move goods via LTL (less-than-truckload) carriers routinely discover that 20-30% of their freight invoices contain charges that differ from their contracted rates — accessorial charges not agreed upon, incorrect freight class assignments, duplicate invoices, charges for services not rendered, or weight/dimension discrepancies based on the carrier's re-weigh station rather than the shipper's scale. So what? A mid-size shipper spending $5M-$20M annually on LTL freight is overpaying by $250K-$3M per year on invoices they pay without auditing, because their accounts payable team processes hundreds of invoices per week and lacks the bandwidth to cross-reference each line item against the rate tariff. So what? Even when the shipper does audit and files a claim, the carrier's dispute resolution process takes 30-90 days, during which the shipper has already paid the invoice to avoid late payment penalties and maintain carrier relationships. So what? The carrier has a structural incentive to overcharge because they know most shippers will not audit every line item, and when caught, they simply issue a credit — there is no penalty for the overcharge. So what? The shipper cannot easily switch carriers because LTL carrier networks have different lane strengths, and the shipper has negotiated volume discounts that would reset with a new carrier. So what? This creates a hidden tax on American manufacturing and distribution — billions of dollars in aggregate overpayment that raises the cost of goods for end consumers. This persists because LTL pricing is extraordinarily complex (NMFC freight classes, FAK agreements, density-based pricing, dimensional weight, fuel surcharges, accessorial menus) and there is no standardized, machine-readable invoice format that enables automated line-item verification against the contract.