# ISO 19723-1:2018 — Withdrawn and superseded ISO standards

For ISO 19723-1:2018, item title is Road vehicles — Liquefied natural gas (LNG) fuel systems — Part 1: Safety requirements; status code is 9599; successor is ISO 19723-1:2025; withdrawn / published date is 2018-07-17, recorded from its source on 2026-08-05.

- **Identifier:** ISO 19723-1:2018 _(verified: appears in the quote below)_
- **Item title:** Road vehicles — Liquefied natural gas (LNG) fuel systems — Part 1: Safety requirements _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 19723-1:2025
- **Withdrawn / published date:** 2018-07-17 _(verified: appears in the quote below)_

## What the source says

> 66120,IS,,ISO 19723-1:2018,Road vehicles — Liquefied natural gas (LNG) fuel systems — Part 1: Safety requirements,Véhicules routiers — Systèmes à carburant gaz naturel liquéfié (GNL) — Partie 1: Exigences de sécurité,2018-07-17,1,['43.060.40'],ISO/TC 22/SC 41,9599,,[86568],['en'],13,"<p>This document specifies the minimum safety requirements applicable to liquefied natural gas (LNG) on-board fuel system intended for use on the types of motor vehicles defined in ISO 3833.</p><p>This document is applicable to vehicles (mono-fuel, bi-fuel or dual-fuel applications) using liquefied natural gas in accordance with the ISO 15403 series. It is not applicable to original-production and converted vehi

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).