DocumentID: ECMA-376/Part1/2.5 Title: ECMA-376, Part1: 2.5 Application Conformance Extracted-From: ECMA-376 Office Open XML File Formats, 1st Edition / December 2006 Warning: Coverted to HTML format by a script known to have bugs
Application conformance is purely syntactic; it also involves only Items 1 and 2 in §2.3 above.