Costco Code CST-FREIGHT: Freight chargeback / routing compliance deduction.
Costco Freight Chargebacks are assessed when Collect shipments use unauthorized carriers, fail routing instructions, or when freight charges are billed on Prepaid merchandise orders without buyer authorization.
Why Costco issues Code CST-FREIGHT.
- Prepaid order shipped Collect using a non-compliant carrier
- Freight charges added to a merchandise invoice under Prepaid terms
Documents that win.
- Purchase Order and Vendor Agreement confirming freight terms
- Paid carrier invoice and BOL proving supplier paid freight directly on Prepaid orders
How to dispute it.
Find remittance line for Code CST-FREIGHT in Costco Logistics & Depot AP. Note the PO, invoice number, and claim amount.
Collect and verify documentation: Purchase Order and Vendor Agreement confirming freight terms, Paid carrier invoice and BOL proving supplier paid freight directly on Prepaid orders. Ensure piece counts and timestamps match.
File dispute claim package via Costco Vendor Portal selecting claim reason for Code CST-FREIGHT (Freight chargeback / routing compliance deduction) and attaching all verification documents.
Monitor claim status in Costco Vendor Portal until approved (30-45 days). Approved credit memo will apply to a future settlement remittance.
Dispute within 6 to 12 months of deduction issuance. Check your remaining filing window with our free Dispute deadline checker.
Source: Costco supplier guidance · Verified by Laxmi Narayan · 2026We audit remittances, assemble proof documents, and handle end-to-end Costco deduction recovery on pure contingency. We'll check whether yours is disputable, free, in 72 hours.