Costco Chargeback Code INVOICE-MATCH: PO / invoice data mismatch
What this deduction means
Assessed when the 810 invoice doesn't align with the purchase order or ASN — wrong quantities, prices, or item identifiers. Data mismatches between the 850, 856 and 810 are among the most common causes of Costco deductions.
Typical penalty: Roughly 1–3% of PO value per mismatch incident
Common causes
- Invoice quantities or prices differing from the PO
- Item identifiers on the invoice not matching Costco's item file
- Invoice built before shipment corrections were reflected
How to prevent Costco code INVOICE-MATCH
- Three-way match PO (850), ASN (856) and invoice (810) before transmission
- Invoice from confirmed shipped quantities at PO prices
- Sync item identifiers with Costco's item file on every new item setup
Related EDI transactions
Source
Crstl — Costco EDI Requirements: Supplier Compliance Guide (secondary industry source) (Accessed 2026-07-10; pending official Costco Supplier Portal verification)
Frequently asked questions
What is Costco chargeback code INVOICE-MATCH?
Assessed when the 810 invoice doesn't align with the purchase order or ASN — wrong quantities, prices, or item identifiers. Data mismatches between the 850, 856 and 810 are among the most common causes of Costco deductions.
How much does Costco code INVOICE-MATCH cost?
Typical penalty: Roughly 1–3% of PO value per mismatch incident
How do I prevent Costco chargeback code INVOICE-MATCH?
Three-way match PO (850), ASN (856) and invoice (810) before transmission Invoice from confirmed shipped quantities at PO prices Sync item identifiers with Costco's item file on every new item setup
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