# ISO 19723-1:2018/Amd 1:2021 — Withdrawn and superseded ISO standards

For ISO 19723-1:2018/Amd 1:2021, item title is Road vehicles — Liquefied natural gas (LNG) fuel systems — Part 1: Safety requirements — Amendment 1; status code is 9599; successor is ISO 19723-1:2025; withdrawn / published date is 2021-01-04, recorded from its source on 2026-08-05.

- **Identifier:** ISO 19723-1:2018/Amd 1:2021 _(verified: appears in the quote below)_
- **Item title:** Road vehicles — Liquefied natural gas (LNG) fuel systems — Part 1: Safety requirements — Amendment 1 _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 19723-1:2025
- **Withdrawn / published date:** 2021-01-04 _(verified: appears in the quote below)_

## What the source says

> 77231,IS,Amd,ISO 19723-1:2018/Amd 1:2021,Road vehicles — Liquefied natural gas (LNG) fuel systems — Part 1: Safety requirements — Amendment 1,Véhicules routiers — Systèmes à carburant gaz naturel liquéfié (GNL) — Partie 1: Exigences de sécurité — Amendement 1,2021-01-04,1,['43.060.40'],ISO/TC 22/SC 41,9599,,[86568],['en'],3,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).