# ISO 18441:2013 — Withdrawn and superseded ISO standards For ISO 18441:2013, item title is Space data and information transfer systems — Space Link Extension — Application Program Interface for Transfer Services — Core Specification; status code is 9599; successor is ISO 18441:2016; withdrawn / published date is 2013-05-29, recorded from its source on 2026-08-05. - **Identifier:** ISO 18441:2013 _(verified: appears in the quote below)_ - **Item title:** Space data and information transfer systems — Space Link Extension — Application Program Interface for Transfer Services — Core Specification _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 18441:2016 - **Withdrawn / published date:** 2013-05-29 _(verified: appears in the quote below)_ ## What the source says > 62456,IS,,ISO 18441:2013,Space data and information transfer systems — Space Link Extension — Application Program Interface for Transfer Services — Core Specification,Systèmes de transfert des informations et données spatiales — Extension de liaisons spatiales — Interface du programme d'application pour les services de transfert — Spécification de base,2013-05-29,1,['49.140'],ISO/TC 20/SC 13,9599,,[70703],['en'],371,"
ISO 18441:2013 defines a C++ Application Program Interface (API) for CCSDS Space Link Extension (SLE) Transfer Services, which is independent of any specific technology used for communications between an SLE service user and an SLE service provider.
ISO 18441:2013 defi ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).