CVS Code CVS-DUP: Duplicate invoice payment deduction.
CVS Duplicate Invoice Payment Deductions are issued when CVS's AP system flags an invoice as a suspected duplicate of a previously paid invoice. They are disputable when two distinct shipments occurred with similar invoice numbers or separate deliveries.
Why CVS issues Code CVS-DUP.
- EDI 810 invoice transmitted twice
- Two distinct shipments on the same PO had identical dollar values
- Corrected invoice submitted without referencing a prior deduction
Documents that win.
- Both invoices and remittance advices
- Two distinct signed BOLs and PODs proving separate physical deliveries occurred
- Purchase Order showing total ordered quantity across both deliveries
How to dispute it.
Find remittance line for Code CVS-DUP in CVS AP Vendor Portal. Note the PO, invoice number, and claim amount.
Collect and verify documentation: Both invoices and remittance advices, Two distinct signed BOLs and PODs proving separate physical deliveries occurred, Purchase Order showing total ordered quantity across both deliveries. Ensure piece counts and timestamps match.
File dispute claim package via CVS Supplier Portal selecting claim reason for Code CVS-DUP (Duplicate invoice payment deduction) and attaching all verification documents.
Monitor claim status in CVS Supplier Portal until approved (30-60 days). Approved credit memo will apply to a future settlement remittance.
Dispute within 180 days of deduction date. Check your remaining filing window with our free Dispute deadline checker.
Source: CVS supplier guidance · Verified by Laxmi Narayan · 2026We audit remittances, assemble proof documents, and handle end-to-end CVS deduction recovery on pure contingency. We'll check whether yours is disputable, free, in 72 hours.