Applies to the phases of the conformance testing process, these phases being characterised by the following major activities: a) the definition of abstract test suites for ISO 10303 application protocols; b) the definition of abstract test methods for ISO 10303 implementation methods; c) the conformance assessment process carried out by a testing laboratory for a client; d) culminating in the production of a conformance test report. It also provides introductory material, normative requirements on each part of the series, and definitions of common terms and concepts.