11.—(1) A notified body may, in exercising its functions—
(a)arrange for some other person to carry out any test, assessment or inspection on its behalf; or
(b)require the applicant to satisfy another person with respect to any matter at the applicant's expense.
(2) But nothing in sub-paragraph (1) authorises a notified body to rely on the opinion of another person with regard to whether a meter measuring system is compliant with any of the essential requirements.
(3) Nothing in these Regulations shall preclude a person referred to in sub-paragraph (1)(a) or (1)(b) from charging any fee in respect of any work undertaken by him in pursuance of those sub-paragraphs.