Using XML with Legacy Business Applications

X12 File Physical Characteristics

An interchange's physical characteristics are described in the PhysicalCharacteristics Element. This Element is required for only the target conversion utility. The relevant information is extracted directly from the input interchange for the source conversion utility.

Table 9.3 shows the child Elements of the PhysicalCharacteristics Element. All are required unless otherwise noted.

Note that a few things are missing from the child Elements and Attributes defined for the PhysicalCharacteristics Element.

• Interchange control standards identifier: Prior to version 4020 of X12 this was the ID value sent in ISA11. The only value ever approved was a U, so I hard-code it in the utility.

• Interchange and group control ...