There are many normative references to "the ZIP file format specification", but no actual such specification is included and no explicit reference to any such external document is provided.
Accepted

Provide a detailed specification for the "ZIP for-mat" or provide a normative reference to a speci-fication which must itself be an open standard
Resolve this in the same way as ISO 26300 does.

Part 2

ed

Proposed Disposition of DIS 29500 Comment CH-0005 (Modified: 2008-01-09) Agreed; the following change will be made to Part 1, §A, page 162, line 8: .ZIP File Format Specification from PKWARE, Inc. , version 6.2.0 (2004), as specified in http://www.pkware.com/documents/APPNOTE/APPNOTE_6.2.0.txt . Similar Comments: CA-0004 , CL-0038 , CZ-0005 , DE-0011 , DK-0003 , FR-0021 , GB-0049 , GB-0463 , IN-0051 , KE-0002 , PT-0007 , US-0039 , ZA-0005