# ISO/IEC/IEEE 32430:2021 — Withdrawn and superseded ISO standards

For ISO/IEC/IEEE 32430:2021, item title is Software engineering — Trial use standard for software non-functional sizing measurements; status code is 9599; successor is ISO/IEC/IEEE 32430:2025; withdrawn / published date is 2021-10-12, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC/IEEE 32430:2021 _(verified: appears in the quote below)_
- **Item title:** Software engineering — Trial use standard for software non-functional sizing measurements _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC/IEEE 32430:2025
- **Withdrawn / published date:** 2021-10-12 _(verified: appears in the quote below)_

## What the source says

> 81913,IS,,ISO/IEC/IEEE 32430:2021,Software engineering — Trial use standard for software non-functional sizing measurements,Ingénierie du logiciel — Norme expérimentale pour la quantification des caractéristiques non fonctionnelles des logiciels,2021-10-12,1,['35.080'],ISO/IEC JTC 1/SC 7,9599,,[86303],['en'],76,"<p>This document defines a method for the sizing of non-functional software requirements. It complements ISO/ IEC 20926:2009, which defines a method for the sizing of functional user requirements (FUR).1</p><p>This document also describes the complementarity of functional and non-functional sizes, so that sizing both functional and non-functional requirements (NFR) do not overlap. It

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).