This Recommendation | Internationai Standard provides the Protocol Implementation Conformance Statement (PICS) proforma for the Reliable Transfer protocol specified in CCITT Rec. X.228 (1988) | ISO/IEC 9066-2:1989. This PICS proforma is in compliance with the relevant requirements, and in accordance with the relevant guidance given in ITU-T Rec. X.296 | ISO/IEC 9646-7. Detail of the use of this proforma is provided in this Recommendation | International Standard. The supplier of an implementation which is claimed to conform to CCIIT Rec. X.228 | ISO/IEC 9066-2 is required to complete a copy of the PICS proforma provided in Annex.