The electronic version of this International Standard can be downloaded from the ISO/IEC Information Technology Task Force (ITTF) web site.
ISO/IEC 21320-1:2015 specifies the core requirements for
- document container files, and
- implementations that produce and/or consume document container files.
ISO/IEC 21320-1:2015 normatively references the Zip File Format Specification version 6.3.3 of PKWARE® Inc. Document container files are conforming Zip files as specified by that document.