# ISO/IEC 10021-4:1997 — Withdrawn and superseded ISO standards

For ISO/IEC 10021-4:1997, item title is Information technology — Message Handling Systems (MHS): Message transfer system: Abstract service definition and procedures; status code is 9599; successor is ISO/IEC 10021-4:2003; withdrawn / published date is 1997-07-17, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC 10021-4:1997 _(verified: appears in the quote below)_
- **Item title:** Information technology — Message Handling Systems (MHS): Message transfer system: Abstract service definition and procedures _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC 10021-4:2003
- **Withdrawn / published date:** 1997-07-17 _(verified: appears in the quote below)_

## What the source says

> 28768,IS,,ISO/IEC 10021-4:1997,Information technology — Message Handling Systems (MHS): Message transfer system: Abstract service definition and procedures,Technologies de l'information — Systèmes de messagerie (MHS): Système de transfert de messages: Définition et procédures du service abstrait,1997-07-17,2,['35.240.20'],ISO/IEC JTC 1/SC 6,9599,"[17956,17957,17954,20430,22945,24716,17955,21222,21719,23999,24017]",[33059],"['en','fr']",156,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).