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The ISX Segment in Operation

The ISX segment first appeared in version/release 007040 of the X12 EDI Standard, with ISX01 and ISX02. ISX03 and ISX04 were introduced in a subsequent version/release. The I11 value in the ISA segment determines the version of the ISX which may be used in the interchange. This paper describes the content for all of the elements in the ISX.


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