Section 23 — Other powers of accredited civilian officers

(1) This section applies where—

(a) an accredited civilian officer enters premises under section 22, or

(b) an accredited civilian officer who is lawfully on premises has reasonable grounds to suspect that there is relevant evidence on those premises.

(2) The officer may carry out any examination or measurement of anything on the premises that the officer thinks is or may be relevant evidence.

(3) The officer may require any person on the premises to produce any document or record in the person's possession or control that the officer thinks is or is likely to be relevant to—

(a) the question whether a relevant offence has been committed, or

(b) the investigation of a relevant offence.

(4) The officer may—

(a) seize and detain or remove any item found on the premises;

(b) take copies of or extracts from any document or record found on the premises.

(5) An officer to whom a document or record has been produced in response to a requirement under subsection (3) may—

(a) seize and detain or remove the document or record;

(b) take copies of or extracts from the document or record.

(6) The powers under subsections (4) and (5) may be exercised only—

(a) for the purposes of determining whether a relevant offence has been committed, or

(b) in relation to an item that the officer concerned reasonably believes to be relevant evidence.

(7) The officer may require any person on the premises to provide any help or facilities, with respect to matters under the persons's control, that the officer considers would facilitate the exercise of a power conferred on the officer by this section.

(8) This section—

(a) does not confer power to search a person;

(b) does not confer power to seize an item that is an excluded item (see section 24).

(9) Subsections (3) and (4) of section 20 apply for the purposes of this section as they apply for the purposes of that one.