EDI UN/EDIFACT

UN/EDIFACT defines the following envelope structure.

Envelope Structure

Full details are available. See Part 4. UN/EDIFACT Rules - Chapter 2.2 Syntax Rules - Annex B.
Description of edi_env_structure.png follows
Description of the illustration edi_env_structure.png

EDIFACT envelopes are defined based on a syntax version.