Data substitution
When EDI information is sent between trading partners, it
is sent in a flat file as a string that conforms to ASC X12 standards.
When data is received by EDI, most of the values in the string can be interpreted because those values are standard. Certain elements may be unique to your system. These differences are mapped between systems with the help of a substitution table.
A listing of substitutions by trading partner and transaction type is provided in this guide. Customers whose trading partners are listed can use the table to guide them when they specify values on Data Substitution Table Setup.