Sch 5 para 2.2
If the entity introducing the modification demonstrates that the modification affects the basic design characteristic of the subsystem which are relevant for the compliance with the requirements concerning some basic parameters: (a) the entity introducing the modification shall establish an additional UK declaration of verification with reference to the basic parameters concerned, (b) the additional UK declaration of verification shall be accompanied by a list of documents of the original technical file accompanying the original UK declaration of verification or EC declaration of verification that are no longer valid, (c) the technical file accompanying the additional UK declaration of verification shall include a demonstration that the impact of modifications is limited to the basic parameters referred to in point (a), (d) the provisions of Section 1 of this Schedule shall apply mutatis mutandis to this additional UK declaration of verification, (e) the original UK declaration of verification or EC declaration of verification shall be considered valid for the basic parameters not concerned by the modification.