# Recommendation X.226 (11/1988): Presentation protocol specification for Open Systems Interconnection for CCITT applications

> superseded recommendation/international standard from the International Telecommunication Union

**Wikidata**: [Q27051515](https://www.wikidata.org/wiki/Q27051515)  
**Source**: https://4ort.xyz/entity/recommendation-x-226-11-1988-presentation-protocol-specification-for-open-systems-interconnection-for-ccitt-applications