MWI Veterinary Supply · EDI 856

The MWI Veterinary Supply 856 Ship Notice / ASN, explained

What MWI Veterinary Supply expects in the 856 — the carton-level shipment mirror that must arrive before the freight does — and how EDISQ's certified map handles it from your ERP.

Connect to MWI Veterinary Supply free 856 glossary guide

What MWI Veterinary Supply expects in the 856

MWI Veterinary Supply trades on X12 4010 over AS2. MWI Veterinary Supply's 856 follows the standard X12 layout — no partner-specific companion-guide quirks are curated for this document yet. The certified base map covers the standard requirements, and validation still runs against the 856 spec before anything transmits.

How EDISQ maps it

The certified MWI Veterinary Supply 856 map loads when you enable the partner — fields auto-map from NetSuite, QuickBooks, Dynamics, and 33 other systems, validation runs against MWI Veterinary Supply's spec before transmission, and the sandbox replays MWI Veterinary Supply test scenarios until everything passes.

Common rejection reasons

Nearly all 856 rejections trace to reference data, not syntax: identifiers that don't match MWI Veterinary Supply's cross-references, echoed fields dropped from the original PO, or timing that misses the program window. EDISQ flags each before MWI Veterinary Supply ever sees the document.

Sample MWI Veterinary Supply 856

A representative 856 interchange addressed to MWI Veterinary Supply — envelope, shipment→order→pack→item hierarchy, and control totals:

1ISA*00*          *00*          *ZZ*ACMESUPPLY     *ZZ*MWIVETERINARYSU*260101*1200*U*00401*000000001*0*P*>~
2GS*SH*ACMESUPPLY*MWIVETERINARYSU*20260101*1200*1*X*004010~
3ST*856*0001~
4BSN*00*SHIP0001*20260101*1200*0001~
5HL*1**S~
6TD1*CTN25*3****G*180*LB~
7TD5*B*2*UPSN*M~
8REF*BM*BOL000123~
9DTM*011*20260105~
10N1*ST*MWI VETERINARY SUPPLY DC 5093*92*5093~
11HL*2*1*O~
12PRF*PO12345~
13HL*3*2*P~
14MAN*GM*00000123450000000017~
15HL*4*3*I~
16LIN**UP*012345678905~
17SN1**24*EA~
18CTT*4~
19SE*17*0001~
20GE*1*1~
21IEA*1*000000001~

FAQ

Which 856 version does MWI Veterinary Supply use?

X12 4010, delivered over AS2. The certified map tracks MWI Veterinary Supply's current companion guide.

How do I test a MWI Veterinary Supply 856?

The sandbox generates realistic MWI Veterinary Supply 856 scenarios against your live mapping — free, unlimited, invisible to MWI Veterinary Supply.

What does it cost?

Per document only: first 25/month free, then from $0.50, decreasing with volume. No partner or mapping fees.