EDI X12 “ISA” header format

StackOverflow https://stackoverflow.com/questions/8206782

  •  05-03-2021
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Question

Hi I have a question about the "ISA" header structure of EDI X12 message:

Does any one know whether the structure of "ISA" differs between different versions (e.g. 4010, 5010...)?

Thanks!

Was it helpful?

Solution

The structure of the ISA doesn't change - it is still a fixed length segment with 15 elements and 106 characters. The version (004010) is defined in the group (GS08). There is an element that defines the "interchange" version, but it does not affect the structure of the ISA segment.

OTHER TIPS

ISA has indeed different structures. both there is a strong need for upward compatibility, so only small differences.

the version of ISA is the syntax version, I think it is ISA 12 (this can and will be different from be different from the version in GS 08. The version in GS is about the version of the transacton, not the syntax.)

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