# ISO 18445:2013 — Withdrawn and superseded ISO standards

For ISO 18445:2013, item title is Space data and information transfer systems — Space Link Extension — Application Program Interface for the Forward CLTU Service; status code is 9599; successor is ISO 18445:2016; withdrawn / published date is 2013-05-29, recorded from its source on 2026-08-05.

- **Identifier:** ISO 18445:2013 _(verified: appears in the quote below)_
- **Item title:** Space data and information transfer systems — Space Link Extension — Application Program Interface for the Forward CLTU Service _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 18445:2016
- **Withdrawn / published date:** 2013-05-29 _(verified: appears in the quote below)_

## What the source says

> 62460,IS,,ISO 18445:2013,Space data and information transfer systems — Space Link Extension — Application Program Interface for the Forward CLTU Service,Systèmes de transfert des informations et données spatiales — Extension de liaisons spatiales — Interface du programme d'application pour le service de l'unité de transmission pour la liaison d'envoi de télécommande (CLTU),2013-05-29,1,['49.140'],ISO/TC 20/SC 13,9599,,[70707],['en'],97,<p>ISO 18445:2013 specifies extensions to the API needed for support of the Command Link Transmission Unit (CLTU) service defined in CCSDS 912.1-B-2.</p><p>ISO 18445:2013 defines extensions to the SLE API in terms of:</p><ul><li>the CLTU-specific functionality

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).