Document preparation

Drafting IEC publications




The ISO/IEC Directives, Part 2 has been prepared by the ISO/IEC Joint Directives Maintenance Team (JDMT) and approved by the ISO Technical Management Board (ISO/TMB) and the IEC Standardization Management Board (IEC/SMB).

This ninth edition of the ISO/IEC Directives, Part 2 cancels and replaces the eighth edition published in 2018.

This edition includes the following significant changes compared with the previous edition:

  • 3.1.8: addition of a new note to entry clarifying the permitted content of Technical Reports;
  • 6.5: introduction of the notion of supplementary content (files or data accessible via URL);
  • 6.6: introduction of the notion of subdivision of the subject matter into profiles;
  • 7.1: clarification that the expression of provisions shall be limited to the verbal forms defined in Table 3 to Table 7;
  • 7.4: clarification in Table 5 that negative permissions are no longer permitted;
  • 8.6: addition of a new subclause on inclusive terminology;
  • Clause 9: general review and reorganization of the content;
  • 9.2: permission of an alternative representation of numbers, symbols for variable quantities and numerical values for programming languages, pseudo-code and mark-up languages;
  • 27.3, 28.3.1 and 29.3: permission of an alternative system of numbering for formulae, figures and tables;
  • Clause 31: admission of the inclusion of trademarks or trade names for reasons of public interest or public safety.

It is not the intention that the ISO/IEC Directives, Part 2 follow the same structure and drafting rules as International Standards and associated publications (referred to collectively as documents, see 3.1.1).

This ninth edition of the ISO/IEC Directives, Part 2 is applicable to all enquiry drafts and to all final drafts registered after 2021-10-01.

Both ISO and IEC have published guides on the use of templates and other tools for the preparation of documents prepared in accordance with the ISO/IEC Directives. These guides are available on the ISO website ( and IEC website (