Walgreens Code VNC-ASN: Vendor Non-Compliance (VNC) late, missing, or inaccurate EDI 856 ASN fine.
Walgreens Code VNC-ASN is a Vendor Non-Compliance chargeback assessed when an EDI 856 Advance Ship Notice is not transmitted prior to truck arrival at a Walgreens distribution center, or when ASN data fails validation. Walgreens enforces a strict 60-day dispute window in SupplierNet.
Why Walgreens issues Code VNC-ASN.
- Warehouse shipped the trailer before transmitting the EDI 856 ASN
- EDI 856 rejected due to invalid UPC or PO data and wasn't corrected before DC arrival
- GS1-128 carton labels did not match SSCC-18 numbers in the ASN
Documents that win.
- VAN transmission log and EDI 997 Functional Acknowledgment showing timestamp prior to DC arrival
- Signed POD showing physical gate-in time occurred after EDI acceptance
- SupplierNet VNC scorecard report
How to dispute it.
Find remittance line for Code VNC-ASN in Walgreens SupplierNet / WagVerify & PRGX. Note the PO, invoice number, and claim amount.
Collect and verify documentation: VAN transmission log and EDI 997 Functional Acknowledgment showing timestamp prior to DC arrival, Signed POD showing physical gate-in time occurred after EDI acceptance, SupplierNet VNC scorecard report. Ensure piece counts and timestamps match.
File dispute claim package via Walgreens Vendor Net selecting claim reason for Code VNC-ASN (Vendor Non-Compliance (VNC) late, missing, or inaccurate EDI 856 ASN fine) and attaching all verification documents.
Monitor claim status in Walgreens Vendor Net until approved (30-60 days). Approved credit memo will apply to a future settlement remittance.
Walgreens Vendor Non-Compliance (VNC) chargebacks must be disputed within 60 days of the chargeback date in SupplierNet; standard AP/PRGX claims allow up to 180 days. Check your remaining filing window with our free Dispute deadline checker.
Source: Walgreens supplier guidance · Verified by Laxmi Narayan · 2026We audit remittances, assemble proof documents, and handle end-to-end Walgreens deduction recovery on pure contingency. We'll check whether yours is disputable, free, in 72 hours.