12(1)An authorised person who removes anything in the exercise of a power conferred by or under paragraph 10 or 11 above shall, if so requested by a person showing himself—U.K.
(a)to be the occupier of premises from which it was removed, or
(b)to have had custody or control of it immediately before the removal,
provide that person with a record of what he removed.
(2)The authorised person shall provide the record within a reasonable time from the making of the request for it.
(3)Subject to sub-paragraph (7) below, if a request for permission to be granted access to anything which—
(a)has been removed by an authorised person, and
(b)is retained by the Commissioners for the purposes of investigating an offence,
is made to the officer in overall charge of the investigation by a person who had custody or control of the thing immediately before it was so removed or by someone acting on behalf of such a person, the officer shall allow the person who made the request access to it under the supervision of an authorised person.
(4)Subject to sub-paragraph (7) below, if a request for a photograph or copy of any such thing is made to the officer in overall charge of the investigation by a person who had custody or control of the thing immediately before it was so removed, or by someone acting on behalf of such a person, the officer shall—
(a)allow the person who made the request access to it under the supervision of an authorised person for the purpose of photographing it or copying it, or
(b)photograph or copy it, or cause it to be photographed or copied.
(5)Where anything is photographed or copied under sub-paragraph (4)(b) above the photograph or copy shall be supplied to the person who made the request.
(6)The photograph or copy shall be supplied within a reasonable time from the making of the request.
(7)There is no duty under this paragraph to grant access to, or to supply a photograph or copy of, anything if the officer in overall charge of the investigation for the purposes of which it was removed has reasonable grounds for believing that to do so would prejudice—
(a)that investigation;
(b)the investigation of an offence other than the offence for the purposes of the investigation of which the thing was removed; or
(c)any criminal proceedings which may be brought as a result of—
(i)the investigation of which he is in charge, or
(ii)any such investigation as is mentioned in paragraph (b) above.
(8)Any reference in this paragraph to the officer in overall charge of the investigation is a reference to the person whose name and address are endorsed on the warrant or order concerned as being the officer so in charge.