16.—(1) An EC declaration of conformity or an EC declaration of suitability for use (“EC declaration of conformity or suitability for use”) is a declaration drawn up by the relevant person in accordance with the requirements of Schedule 7, and which indicates that the interoperability constituent satisfies the requirements—
(a)of such European specifications as have been published in the Official Journal that are relevant to the interoperability constituent;
(b)of such TSIs that are relevant to the interoperability constituent;
(c)where a TSI relevant to the interoperability constituent requires compliance with a European specification that has not been published in the Official Journal, of the latest version of that draft European specification if so required by the TSI.
(2) In this regulation, “relevant person” means a person specified in regulation 19(2) or (3).