# ISO/IEC 21122-3:2019 — Withdrawn and superseded ISO standards

For ISO/IEC 21122-3:2019, item title is Information technology — JPEG XS low-latency lightweight image coding system — Part 3: Transport and container formats; status code is 9599; successor is ISO/IEC 21122-3:2022; withdrawn / published date is 2019-08-28, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC 21122-3:2019 _(verified: appears in the quote below)_
- **Item title:** Information technology — JPEG XS low-latency lightweight image coding system — Part 3: Transport and container formats _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC 21122-3:2022
- **Withdrawn / published date:** 2019-08-28 _(verified: appears in the quote below)_

## What the source says

> 74537,IS,,ISO/IEC 21122-3:2019,Information technology — JPEG XS low-latency lightweight image coding system — Part 3: Transport and container formats,Technologies de l'information — Système de codage d'images léger à faible latence JPEG XS — Partie 3: Formats de transport et de conteneurs,2019-08-28,1,['35.040.40'],ISO/IEC JTC 1/SC 29,9599,,[81553],['en'],47,"<p>This document defines transport and container formats for JPEG XS codestreams as specified in ISO/IEC 21122-1. It defines file formats for working with still image and motion image sequence files on computer platforms and gives guidance on how to embed the codestream in transport streams, allowing internet-based communication.</p><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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).