Standardization - Part 12: Guidelines for the inclusion of safety aspects in standards (ISO/IEC Guide 51:2014)
Edition 2014-06

Arrangements for the recognition and acceptance of conformity assessment results (ISO/IEC Guide 68:2002)
Edition 2003-06

Standardization and related activities - General vocabulary (ISO/IEC Guide 2:2004); Trilingual version EN 45020:2006
Edition 2007-03

Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7); ISDN User Part (ISUP) version 4 for the international interface - Part 12: Conference call, add-on (CONF) supplementary service (ITU-T Recommendation Q.734, clause 1 (1993) and implementors guide (1998), modified) (Endorsement of the English version EN 300356-12 V 4.2.1 (2001-07) as German standard)
Edition 2002-01

Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7); ISDN User Part (ISUP) version 4 for the international interface - Part 14: Explicit Call Transfer (ECT) supplementary service (ITU-T Recommendation Q.732, clause 7 (1996) and implementors guide (1998) modifiziert) (Endorsement of the English version EN 300356-14 V 4.2.1 (2001-07) as German standard)
Edition 2002-01

Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7); ISDN User Part (ISUP) version 4 for the international interface - Part 19: Three-Party (3PTY) supplementary service (ITU-T Recommendation Q.734, clause 2 (1996) and implementors guide (1998), modified) (Endorsement of the English version EN 300356-19 V 4.2.1 (2001-07) as German standard)
Edition 2002-01

Guide for addressing environmental issues in product standards (ISO Guide 64:2008)
Edition 2010-05

Guide for addressing environmental issues in product standards (ISO Guide 64:2008); Supplement 1: Guidance on addressing resource protection issues
Edition 2018-11