4.—(1) An appointee is to be subject to such inspection by, or on behalf of, the GB competent authority as is necessary to ensure compliance with any condition specified in the appointment.
(2) The inspection referred to in sub-paragraph (1) may include the examination of premises, equipment and documents and the appointee must provide such copies, facilities, assistance and information as are reasonably required for the purpose of the inspection.
(3) A fee which is reasonable for the work performed, or to be performed, is to be payable by the appointee in respect of any inspection undertaken by, or on behalf of, the GB competent authority in accordance with sub-paragraph (1).