# ISO/TS 20399-3:2018 — Withdrawn and superseded ISO standards

For ISO/TS 20399-3:2018, item title is Biotechnology — Ancillary materials present during the production of cellular therapeutic products — Part 3: Best practice guidance for ancillary material users; status code is 9599; successor is ISO 20399:2022; withdrawn / published date is 2018-12-04, recorded from its source on 2026-08-05.

- **Identifier:** ISO/TS 20399-3:2018 _(verified: appears in the quote below)_
- **Item title:** Biotechnology — Ancillary materials present during the production of cellular therapeutic products — Part 3: Best practice guidance for ancillary material users _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 20399:2022
- **Withdrawn / published date:** 2018-12-04 _(verified: appears in the quote below)_

## What the source says

> 70983,TS,,ISO/TS 20399-3:2018,Biotechnology — Ancillary materials present during the production of cellular therapeutic products — Part 3: Best practice guidance for ancillary material users,Biotechnologie — Matériaux auxiliaires présents lors de la production de produits thérapeutiques cellulaires — Partie 3: Lignes directrices de bonne pratique pour les utilisateurs de matériaux auxiliaires,2018-12-04,1,['07.080'],ISO/TC 276,9599,,[79399],['en'],11,"<p>This document provides guidance for ancillary material (AM) users. It is applicable to cellular therapeutic products, including those gene therapy products whereby cells form part of the final product. It does not apply to products without c

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).