This Recommendation ︱ International Standard specifies the protocol (abstract syntax) and procedures for the Remote Operation Service Element. The terms, definitions and mechanisms defined in ITU-T Rec. X.880 1 ISO/ IEC 13712-1 apply here and are specialized for an OSI realization as specified in this Recommendation | International Standard. The ROSE services, defined in ITU-T Rec. X.881 | ISO/IEC 13712-2, are provided in conjunction with the Association Control Service Element (ACSE) services (ITU-T Rec. X.217 | ISO/IEC 8649) and the ACSE protocol (ITU-T Rec. X.227 | ISO/IEC 8650-1) and ITU-T Rec. X.237|ISO/IEC 10035-1), optionally the Reliable Transfer Service Element(RTSE) services (ITU-T Rec. X.218 | ISO/IEC 9066-1) and the RTSE protocol (ITU-T Rec. X.228 | ISO/IEC 9066-2).and the Presentation service(ITU-T Rec. X.216 | ISO/IEC 8822 ).