# ISO/IEC Guide 66:1999 — Withdrawn and superseded ISO standards

For ISO/IEC Guide 66:1999, item title is General requirements for bodies operating assessment and certification/registration of environmental management systems (EMS); status code is 9599; successor is ISO/IEC 17021:2006; withdrawn / published date is 1999-07-29, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC Guide 66:1999 _(verified: appears in the quote below)_
- **Item title:** General requirements for bodies operating assessment and certification/registration of environmental management systems (EMS) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC 17021:2006
- **Withdrawn / published date:** 1999-07-29 _(verified: appears in the quote below)_

## What the source says

> 29232,GUIDE,,ISO/IEC Guide 66:1999,General requirements for bodies operating assessment and certification/registration of environmental management systems (EMS),Exigences générales relatives aux organismes gérant l'évaluation et la certification/ enregistrement des systèmes de management environnemental (SME),1999-07-29,1,['13.020.10'],ISO/CASCO,9599,,[29343],"['en','fr']",14,

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).