# ISO 8878:1987/Amd 3:1991 — Withdrawn and superseded ISO standards

For ISO 8878:1987/Amd 3:1991, item title is Information processing systems — Data communications — Use of X.25 to provide the OSI connection-mode network service — Amendment 3; status code is 9599; successor is ISO/IEC 8878:1992; withdrawn / published date is 1991-06-20, recorded from its source on 2026-08-05.

- **Identifier:** ISO 8878:1987/Amd 3:1991 _(verified: appears in the quote below)_
- **Item title:** Information processing systems — Data communications — Use of X.25 to provide the OSI connection-mode network service — Amendment 3 _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC 8878:1992
- **Withdrawn / published date:** 1991-06-20 _(verified: appears in the quote below)_

## What the source says

> 16380,IS,Amd,ISO 8878:1987/Amd 3:1991,Information processing systems — Data communications — Use of X.25 to provide the OSI connection-mode network service — Amendment 3,Systèmes de traitement de l'information — Communication de données — Utilisation du protocole X.25 pour fournir le service de réseau OSI en mode connexion — Amendement 3,1991-06-20,1,['35.100.30'],ISO/IEC JTC 1/SC 6,9599,,[16385],['en'],6,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).