# ISO/PAS 20542:2006 — Withdrawn and superseded ISO standards

For ISO/PAS 20542:2006, item title is Industrial automation systems and integration — Product data representation and exchange — Reference model for systems engineering; status code is 9599; successor is ISO 10303-233:2012; withdrawn / published date is 2006-12-14, recorded from its source on 2026-08-05.

- **Identifier:** ISO/PAS 20542:2006 _(verified: appears in the quote below)_
- **Item title:** Industrial automation systems and integration — Product data representation and exchange — Reference model for systems engineering _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 10303-233:2012
- **Withdrawn / published date:** 2006-12-14 _(verified: appears in the quote below)_

## What the source says

> 35464,PAS,,ISO/PAS 20542:2006,Industrial automation systems and integration — Product data representation and exchange — Reference model for systems engineering,Systèmes d'automatisation industrielle et intégration — Représentation et échange de données de produits — Modèle de référence pour l'ingénierie des systèmes,2006-12-14,1,['25.040.40'],ISO/TC 184/SC 4,9599,,[55257],['en'],31,"<p>ISO/PAS 20542:2006 establishes the requirements for the exchange of information between stakeholders in the system engineering and design process. It defines a specification, in an application-protocol-like format, for the implementation of such exchanges using a STEP application reference model.</p>"

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).