# ISO 7731:1986 — Withdrawn and superseded ISO standards For ISO 7731:1986, item title is Danger signals for work places — Auditory danger signals; status code is 9599; successor is ISO 7731:2003 | ISO/WD 7731; withdrawn / published date is 1986-12-18, recorded from its source on 2026-08-05. - **Identifier:** ISO 7731:1986 _(verified: appears in the quote below)_ - **Item title:** Danger signals for work places — Auditory danger signals _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 7731:2003 | ISO/WD 7731 - **Withdrawn / published date:** 1986-12-18 _(verified: appears in the quote below)_ ## What the source says > 14568,IS,,ISO 7731:1986,Danger signals for work places — Auditory danger signals,Signaux de danger pour les lieux de travail — Signaux auditifs,1986-12-18,1,"['13.320','13.180']",ISO/TC 159/SC 5,9599,,"[33590,14569]","['en','fr']",10,
Specifies the safety requirements and the corresponding test methods for work places in the signal reception area and gives guidelines for the design of the signals. May also be applied to other appropriate situations. Does not apply to verbal danger warnings. Special regulations such as those for a public disaster and public transport are not affected.
## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).