# ISO/IEC 4335:1993 — Withdrawn and superseded ISO standards

For ISO/IEC 4335:1993, item title is Information technology —- Telecommunications and information exchange between systems — High-level data link control (HDLC) procedures — Elements of procedures; status code is 9599; successor is ISO/IEC 13239:2002; withdrawn / published date is 1993-12-23, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC 4335:1993 _(verified: appears in the quote below)_
- **Item title:** Information technology —- Telecommunications and information exchange between systems — High-level data link control (HDLC) procedures — Elements of procedures _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC 13239:2002
- **Withdrawn / published date:** 1993-12-23 _(verified: appears in the quote below)_

## What the source says

> 22827,IS,,ISO/IEC 4335:1993,Information technology —- Telecommunications and information exchange between systems — High-level data link control (HDLC) procedures — Elements of procedures,Technologies de l'information — Télécommunications et échange d'informations entre systèmes — Procédures de commande de liaison de données à haut niveau (HDLC) — Éléments de procédures,1993-12-23,5,['35.100.20'],ISO/IEC JTC 1/SC 6,9599,[10211],[37010],['en'],42,"<p>Specifies elements of data link control procedures for synchronous or start/stop, code-transparent data transmission using the HDLC frame structure specified in ISO/IEC 3309 and independent frame numbering in both directions. These HDLC elements

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).