Chemical analysis - Methods of standard addition - Procedure, evaluation
Edition 2025-03

Explanation of the mathematical addition of working voltages, insulation between circuits and use of PELV in TC 34 standards (IEC TR 63139:2018)
Edition 2019-05

Information Technology - Protocol for Providing the OSI Connectionless-Mode Transport Service - Amendment 1: Addition of Connectionless-Mode Multicast Capability (Adopted Amendment 1:1996 to ISO/IEC 8602:1995)
Edition 2006

Information Technology - Telecommunications and Information Exchange Between Systems - Elements of Management Information Related to OSI Data Link Layer Standards - AMENDMENT 1: Addition of DCE Conditions and New Attributes (Adopted Amendment 1:1995 to ISO/IEC 10742:1994)
Edition 1997

Information Technology - Telecommunications and Information Exchange Between Systems - Elements of Management Information Related to OSI Data Link Layer Standards - Amendment 3: Addition of New Counter Attributes (Adopted Amendment 3:1996 to ISO/IEC 10742:1994)
Edition 2002

Amendment 1:2022 to CAN/CSA-ISO/IEC 27021:18, Information technology - Security techniques - Competence requirements for information security management systems professionals - Amendment 1: Addition of ISO/IEC 27001:2013 clauses or subclauses to competence requirements (Adopted amendment 1:2021 to ISO/IEC 27021:2017)
Edition 2022

Ophthalmic optics - Contact lenses - Tolerances and methods for measurement of multifocal contact lens addition power
Edition 2024-07

Portland cement - Chemical analysis Part 9: Chemical analysis for Portland cement with additions of pozzolanic materials
Edition 2023-06-15

Concrete - Specification, performance, production and conformity - National addition to NF EN 206