ISO/IEC Guide 21-1:2005
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Regional or national adoption of International Standards and other International Deliverables -- Part 1: Adoption of International Standards

The electronic version of this ISO/IEC Guide can be downloaded from the ISO/IEC Directives and ISO supplement web site


ISO/IEC Guide 21-1:2005 provides methods for: determination of the degree of correspondence between regional or national standards and relevant International Standards; adoption of International Standards as regional or national standards; indication of technical deviations which would facilitate immediate recognition of any deviation; numbering of regional or national standards that are identical adoptions of International Standards; indication of the degree of correspondence between the regional or national standard and the International Standard.

ISO/IEC Guide 21-1:2005 does not contain any rules for the use of an International Standard in production, trade, legislation or similar activities. It also does not deal with: the adoption of regional or national standards as International Standards; adoption of regional or national standards as other regional or national standards; adoption of regional standards as national standards; or adoption in or of technical regulations.


  • Document published on: 2005-05-15
    Edition: 1 (Monolingual) ICS: 01.120
    Status: Published Stage: 60.60 (2005-05-12)
    TC/SC: ISO/TMBG Number of Pages: 23
  • Revises: ISO/IEC Guide 21:1999

  • No corrigenda or amendments available

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