EDI IMPDEF EDI implementation guide definition message
EDI IMPDEF Format
EDI IMPDEF Specification
The EDI implementation guideline definition message (IMPDEF)permits the exchange of implementation details of an EDImessage, including its usage and its presentation.
Sources
Accredited Standards Committee X12. ASC X12 Standard [Table Data]. Data Interchange Standards Association, Inc., Falls Church, VA. http://www.x12.org
Keep a list of all X12 EDI transaction sets at hand.