The Gap 850 Purchase Order, explained

What Gap expects in the 850

Gap trades on X12 4010 over AS2. Beyond the base standard, watch these:

How EDISQ maps it

The certified Gap 850 map loads when you enable the partner — fields auto-map from NetSuite, QuickBooks, Dynamics, and 33 other systems, validation runs against Gap's spec before transmission, and the sandbox replays Gap test scenarios until everything passes.

Common rejection reasons

Nearly all 850 rejections trace to reference data, not syntax: identifiers that don't match Gap's cross-references, echoed fields dropped from the original PO, or timing that misses the program window. EDISQ flags each before Gap ever sees the document.

Sample Gap 850

A representative 850 interchange addressed to Gap — envelope, body segments, and control totals:

1ISA*00*          *00*          *ZZ*ACMESUPPLY     *ZZ*GAP            *260101*1200*U*00401*000000001*0*P*>~
2GS*PO*ACMESUPPLY*GAP*20260101*1200*1*X*004010~
3ST*850*0001~
4BEG*00*SA*PO12345**20260101~
5REF*DP*056~
6DTM*002*20260110~
7N1*ST*GAP DC 5093*92*5093~
8PO1*1*24*EA*9.75**UP*012345678905~
9PID*F****ACME WIDGET 24CT~
10PO1*2*12*EA*14.50**UP*012345678912~
11PID*F****ACME GADGET 12CT~
12CTT*2~
13SE*11*0001~
14GE*1*1~
15IEA*1*000000001~

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