This document specifies the conformance test plan (CTP) for the application layer for MOST, a synchronous time-division-multiplexing network, as specified in ISO 21806-2. This document specifies conformance test cases (CTCs) in the following categories: — device model; — data and basic data types; — registry management; — connection management; — error management; — diagnosis. Interoperability testing is not in the scope of this document.