(1) A relevant officer may only exercise powers by virtue of section 36C or 36D in pursuance of arrangements made with the OFT by or on behalf of the enforcement authority of which he is an officer.
(2) Anything done or omitted to be done by, or in relation to, a relevant officer in the exercise or purported exercise of a power by virtue of section 36C or 36D shall be treated for all purposes as having been done or omitted to be done by, or in relation to, an officer of the OFT.
(3) Subsection (2) does not apply for the purposes of any criminal proceedings brought against the officer, the enforcement authority of which he is an officer or the OFT in respect of anything done or omitted to be done by the officer.
(4) A relevant officer shall not disclose to a person other than the OFT information obtained by his exercise of a power by virtue of section 36C or 36D unless -
(a) he has the approval of the OFT to do so; or
(b) he is under a duty to make the disclosure.
(5) In this secti