# ISO 9661:1988 — Withdrawn and superseded ISO standards

For ISO 9661:1988, item title is Information processing — Data interchange on 12,7 mm (0.5 in) magnetic tape cartridges — 18 tracks, 1 491 data bytes per millimetre (37 871 data bytes per inch); status code is 9599; successor is ISO/IEC 9661:1994; withdrawn / published date is 1988-03-31, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9661:1988 _(verified: appears in the quote below)_
- **Item title:** Information processing — Data interchange on 12,7 mm (0.5 in) magnetic tape cartridges — 18 tracks, 1 491 data bytes per millimetre (37 871 data bytes per inch) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC 9661:1994
- **Withdrawn / published date:** 1988-03-31 _(verified: appears in the quote below)_

## What the source says

> 17506,IS,,ISO 9661:1988,"Information processing — Data interchange on 12,7 mm (0.5 in) magnetic tape cartridges — 18 tracks, 1 491 data bytes per millimetre (37 871 data bytes per inch)","Traitement de l'information — Échange d'information sur cartouche de bande magnétique de 12,7 mm de large (0,5 in) — 18 pistes, 1 491 caractères par millimètre (37 871 caractères par inch)",1988-03-31,1,['35.220.20'],ISO/IEC JTC 1,9599,,[24918],"['en','fr']",42,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).