What GSA Advantage expects in the 856
GSA Advantage trades on X12 4010 over VAN. GSA Advantage'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 GSA Advantage 856 map loads when you enable the partner — fields auto-map from NetSuite, QuickBooks, Dynamics, and 33 other systems, validation runs against GSA Advantage's spec before transmission, and the sandbox replays GSA Advantage test scenarios until everything passes.
Common rejection reasons
Nearly all 856 rejections trace to reference data, not syntax: identifiers that don't match GSA Advantage's cross-references, echoed fields dropped from the original PO, or timing that misses the program window. EDISQ flags each before GSA Advantage ever sees the document.
Sample GSA Advantage 856
A representative 856 interchange addressed to GSA Advantage — envelope, shipment→order→pack→item hierarchy, and control totals:
1ISA*00* *00* *ZZ*ACMESUPPLY *ZZ*GSAADVANTAGE *260101*1200*U*00401*000000001*0*P*>~ 2GS*SH*ACMESUPPLY*GSAADVANTAGE*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*GSA ADVANTAGE 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 GSA Advantage use?
X12 4010, delivered over VAN. The certified map tracks GSA Advantage's current companion guide.
How do I test a GSA Advantage 856?
The sandbox generates realistic GSA Advantage 856 scenarios against your live mapping — free, unlimited, invisible to GSA Advantage.
What does it cost?
Per document only: first 25/month free, then from $0.50, decreasing with volume. No partner or mapping fees.