The EC declaration covers:
either the assessment of the intrinsic conformity of a constituent, considered in isolation, with the Community specifications to be met, or
the assessment/judgment of the suitability for use of a constituent, considered within its air traffic management environment.
The assessment procedures implemented by the notified bodies at the design and production stages will draw upon the modules defined in Decision 93/465/EEC, in accordance with the conditions set out in the relevant implementing rules for interoperability.