Walmart Chargeback Code 90: Unauthorized charge removed
What this deduction means
Add a charge to an invoice that Walmart never approved, say an unagreed fee or surcharge, and Walmart strips it out under Code 90, deducting the unauthorized amount.
Typical penalty: Equal to the unauthorized charge that was removed
Common causes
- Adding freight, handling, or other fees not in the agreement
- Surcharges applied without Walmart's approval
- Billing terms that differ from the agreed cost
How to prevent Walmart code 90
- Only bill charges explicitly agreed with Walmart, getting written approval before adding any fee to an invoice
- Match invoice line items to the agreed cost structure
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 90?
Add a charge to an invoice that Walmart never approved, say an unagreed fee or surcharge, and Walmart strips it out under Code 90, deducting the unauthorized amount.
How much does Walmart code 90 cost?
Typical penalty: Equal to the unauthorized charge that was removed
How do I prevent Walmart chargeback code 90?
Only bill charges explicitly agreed with Walmart, getting written approval before adding any fee to an invoice Match invoice line items to the agreed cost structure
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