Alcance
                            This standard provides a comprehensive set of procedures for verifying the correct implementation of each capability claimed on a BACnet PICS including:(a)    support of each claimed BACnet service, either as an initiator, executor, or both,(b)    support of each claimed BACnet object-type, including both required properties and each claimed optional property,(c)    support of the BACnet network layer protocol,(d)    support of each claimed data link option, and(e)    support of all claimed special functionality.