which are owned or occupied by a person who he has reasonable cause to believe is using, without the requisite licence, the premises for the carrying on of a business or activity for which a licence is required under this Act; and shall have the power to carry out such examination, inspection or enquiry, and do such things as may appear to him necessary, to ascertain whether or not the provisions of this Act or the regulations thereto are being complied with. (3) An authorized officer or police officer may seize— (a) any telecommunication equipment which he has reasonable cause to believe is being used by, or is in the possession or under the control of a person in contravention of this Act; and E