Walmart Chargeback Code 13: Substitution billed at a higher cost
What this deduction means
Walmart deducts the cost difference under Code 13 when a supplier ships and invoices a substitute item at a higher cost than the item Walmart actually received.
Typical penalty: Equal to the cost difference between the invoiced and received item
Common causes
- Substituting an item without updating the invoiced cost
- Billing the ordered item's cost when a cheaper substitute shipped
- Item/UPC mismatch between the shipment and the invoice
How to prevent Walmart code 13
- Invoice the item and cost that actually shipped, not the ordered item
- Avoid unauthorized substitutions; confirm any substitution with Walmart
- Reconcile UPC and cost on the invoice against the physical shipment
Related EDI transactions
Source
SPS Commerce SupplierWiki: All Walmart Deduction Codes (secondary industry source) (Accessed 2026-07-09; pending official Retail Link verification)
Frequently asked questions
What is Walmart chargeback code 13?
Walmart deducts the cost difference under Code 13 when a supplier ships and invoices a substitute item at a higher cost than the item Walmart actually received.
How much does Walmart code 13 cost?
Typical penalty: Equal to the cost difference between the invoiced and received item
How do I prevent Walmart chargeback code 13?
Invoice the item and cost that actually shipped, not the ordered item Avoid unauthorized substitutions; confirm any substitution with Walmart Reconcile UPC and cost on the invoice against the physical shipment
Keep going
Is your next shipment at risk for Walmart code 13?
Run one shipment's PO, ASN, invoice, and delivery data through the free scanner and see the chargeback risks before the truck leaves, no signup, nothing uploaded.
Scan a shipment free →Get ahead of the next chargeback
Join the early-access list for automated pre-shipment audits that flag compliance errors across every shipment, before they become deductions.