3.—(1) Subject to paragraph (5) of regulation 35, information obtained in consequence of the exercise of relevant power, with or without the consent of any person, shall be admissible in evidence against that or any other person.
(2) Without prejudice to the generality of sub-paragraph (1), information obtained by means of monitoring or other apparatus installed on any premises in the exercise of a relevant power, with or without the consent of any person in occupation of the premises, shall be admissible in evidence in any proceedings against that or any other person.