10. Where electrical equipment bears a mark distinctive of a Community certification body or is accompanied by a certificate issued by such a body or, where such a certificate has not been issued or is not available, by a written declaration of conformity made by the manufacturer of the equipment, and the mark indicates, or the certificate or declaration is to the effect, that the equipment satisfies–
(a)the safety provisions of harmonised standards;
(b)international safety provisions; or
(c)sub-paragraph (a) or (b) or regulation 7(2) above,
then the equipment shall, unless the contrary be proved, be taken to satisfy those safety provisions, international safety provisions or the relevant sub-paragraph, as the case may be.