# ISO/IEC TR 23091-4:2019 — Withdrawn and superseded ISO standards

For ISO/IEC TR 23091-4:2019, item title is Information technology — Coding-independent code points — Part 4: Usage of video signal type code points; status code is 9599; successor is ISO/IEC TR 23091-4:2020; withdrawn / published date is 2019-08-05, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC TR 23091-4:2019 _(verified: appears in the quote below)_
- **Item title:** Information technology — Coding-independent code points — Part 4: Usage of video signal type code points _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC TR 23091-4:2020
- **Withdrawn / published date:** 2019-08-05 _(verified: appears in the quote below)_

## What the source says

> 74418,TR,,ISO/IEC TR 23091-4:2019,Information technology — Coding-independent code points — Part 4: Usage of video signal type code points,Technologies de l'information — Titre manque — Partie 4: Titre manque,2019-08-05,1,['35.040.40'],ISO/IEC JTC 1/SC 29,9599,,[79176],['en'],16,"<p>This document describes common industry representation practices for the usage of video signal type code points, as these properties are conveyed across video content production and distribution carriage systems.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).