Here you can find the process description and technical specifications for ESAP 20.1, Retail supply chain. Version 1.7 is the most recent version. It is recommended for all updates and new implementations.
The process description describes how the business documents are used in the business process.
The Business document specification (BDS) describes what information should be included in the electronic business documents sent between business systems. The summary describes the structure of the business document in a clear way.
The Message specifications (MS) define how the elements of the business documents are placed in an EDIFACT message.
The Corrections are valid as soon as they are published and should be read together with the specifications.
The Change History describes the changes made in the published versions of the business document and mapping specifications compared to the previous version. A summary of these changes is available here.
The specifications are write-protected, but the editable copies can be used for your own notes.