# ISO 18440:2013 — Withdrawn and superseded ISO standards

For ISO 18440:2013, item title is Space data and information transfer systems — Space Link Extension — Internet Protocol for Transfer Services; status code is 9599; successor is ISO 18440:2016; withdrawn / published date is 2013-05-29, recorded from its source on 2026-08-05.

- **Identifier:** ISO 18440:2013 _(verified: appears in the quote below)_
- **Item title:** Space data and information transfer systems — Space Link Extension — Internet Protocol for Transfer Services _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 18440:2016
- **Withdrawn / published date:** 2013-05-29 _(verified: appears in the quote below)_

## What the source says

> 62455,IS,,ISO 18440:2013,Space data and information transfer systems — Space Link Extension — Internet Protocol for Transfer Services,Systèmes de transfert des informations et données spatiales — Extension de liaisons spatiales — Protocole Internet pour services de transfert,2013-05-29,1,['49.140'],ISO/TC 20/SC 13,9599,,[70702],['en'],73,"<p>The Space Link Extension (SLE) Reference Model identifies a set of SLE Transfer Services that enable missions to send forward space link data units to a spacecraft and to receive return space link data units from a spacecraft. A subset of these services is specified by the SLE Transfer Service Recommended Standards. The SLE Transfer Service Recommended S

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).