# ISO/IEC Guide 21:1981/Add 1:1983 — Withdrawn and superseded ISO standards

For ISO/IEC Guide 21:1981/Add 1:1983, item title is Adoption of International Standards in national standards — Addendum 1: Indication of the degree of equivalence between national standards and International Standards; status code is 9599; successor is ISO/IEC Guide 21:1999; withdrawn / published date is 1983-12-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC Guide 21:1981/Add 1:1983 _(verified: appears in the quote below)_
- **Item title:** Adoption of International Standards in national standards — Addendum 1: Indication of the degree of equivalence between national standards and International Standards _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC Guide 21:1999
- **Withdrawn / published date:** 1983-12-01 _(verified: appears in the quote below)_

## What the source says

> 19763,GUIDE,Add,ISO/IEC Guide 21:1981/Add 1:1983,Adoption of International Standards in national standards — Addendum 1: Indication of the degree of equivalence between national standards and International Standards,Adoption des Normes internationales dans les normes nationales — Additif 1: Indication du degré d'équivalence entre les Normes internationales et les normes nationales,1983-12-01,1,['01.120'],ISO/CS,9599,,[30223],"['en','fr']",3,

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).