X12 Format
ANSI X12 is the dominant EDI standard in North America. An X12 document is a flat text file with segments separated by a tilde (~) and elements within each segment separated by an asterisk (*).
ISA*00* *00* *ZZ*SENDERID *ZZ*RECEIVERID *260101*1200*U*00401*000000001*0*P*>~
GS*PO*SENDERID*RECEIVERID*20260101*1200*1*X*004010~
ST*850*0001~
BEG*00*SA*PO-2024-001**20260101~
REF*DP*DEPT-47~
N1*ST*WALMART STORE #4872*91*0001234567~
PO1*1*100*EA*24.99**BP*ITEM-001*VN*VENDOR-SKU-A~
CTT*1~
SE*8*0001~
GE*1*1~
IEA*1*000000001~Each line is a segment. The first element (before the first *) is the segment identifier (e.g. ISA, BEG, PO1). The number after the segment ID is the element position within that segment.
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