Sam's Club Code 30: Duplicate billing.
Sam's Club Code 30 means Sam's Club deducted an invoice payment because its system flagged the billing as a duplicate of a previously paid invoice. It is disputable when you have separate BOLs and PODs proving two distinct shipments were delivered.
Why Sam's Club issues Code 30.
- EDI 810 invoice was transmitted twice
- Two Club-Direct or DC shipments on the same PO had identical dollar amounts
- Resent invoice after a correction
Documents that win.
- Both invoices and remittance records
- Separate signed BOLs and PODs for each shipment
- Purchase Order showing total ordered quantity
How to dispute it.
Find remittance line for Code 30 in Accounts Payable Dispute Portal (APDP) in Walmart Retail Link. Note the PO, invoice number, and claim amount.
Collect and verify documentation: Both invoices and remittance records, Separate signed BOLs and PODs for each shipment, Purchase Order showing total ordered quantity. Ensure piece counts and timestamps match.
File dispute claim package via APDP selecting claim reason for Code 30 (Duplicate billing) and attaching all verification documents.
Monitor claim status in APDP until approved (60-75 days). Approved credit memo will apply to a future settlement remittance.
Sam's Club reviews accounts payable deduction disputes up to two years after the deduction date in Retail Link APDP. Check your remaining filing window with our free Dispute deadline checker.
Source: Sam's Club supplier guidance · Verified by Laxmi Narayan · 2026We audit remittances, assemble proof documents, and handle end-to-end Sam's Club deduction recovery on pure contingency. We'll check whether yours is disputable, free, in 72 hours.