8.—(1) A power of entry conferred by this Schedule shall not be exercisable except—
(a)with consent given by or on behalf of the occupier of the premises; or
(b)under the authority of a warrant granted under paragraph 9;
so, however, that this sub-paragraph shall not apply where entry is sought in the case of emergency.
(2) Any person exercising powers of entry conferred by this Schedule may be accompanied by such persons as may be necessary or expedient for the purpose for which the entry is made, or for the purposes of paragraph 10(1).