This Recommendation | International Standard provides the protocol implementation conformance statement (PICS) proforma for the OSI connectionless protocol for the Association Control Service Element (ACSE) which is specified in Recommendation X.237. The PICS proforma represents, in tabular form, the mandatory and optional elements of the connectionless ACSE protocol. The PICS proforma is used to indicate the features and choices of a particular implementation of the connectionless ACSE protocol.