Information technology - Document schema definition languages (DSDL) - Part 9: Namespace and datatype declaration in document type definitions (DTDs)
Edition 2009-10-01

Information Technology - Multimedia Framework (MPEG-21) - Part 2: Digital Item Declaration
Edition 2006-12-01

Information technology - Multimedia framework (MPEG-21) - Part 2: Digital item declaration - Amendment 1: Presentation of digital item (Adopted amendment 1:2012 to ISO/IEC 21000-2:2005)
Edition 2013

Environmental labels and declarations - General principles (ISO 14020:2000, IDT)
Edition 2015-05-01

Environmental labels and declarations - Type III environmental declarations - Principles and procedures
Edition 2007-02-01

Environmental labels and declarations - Self-declared environmental claims (Type II environmental labelling) (Adopted ISO 14021:2016, second edition, 2016-03-15)
Edition 2020-11-01

Environmental labels and declarations - Type I environmental labelling - Principles and procedures (Adopted ISO 14024:2018, second edition, 2018-02)
Edition 2020-11-01

Noise emission declarations for machinery
Edition 2015-07-01

Generic Requirements for Declaration Process Management; with Amendment 1
Edition 2012-11

Materials Declaration Management Standard
Edition 2020-06-01