Manner of carrying out examination
9.—(1)  The provisions of the Third Schedule shall have effect for the purpose of regulating the manner in which, the conditions under which, and the apparatus with which examinations are to be carried out.
(2)  Authorised examiners shall ensure that all apparatus used in accordance with that Schedule shall be maintained by them in an efficient state and, in the case of any such apparatus designed to indicate any measurement, that such apparatus shall do so accurately within reasonable limits.