56.—(1) The keeper of the register may make a primary disclosure to an authorised officer of an enforcement authority.
(2) Before making a disclosure in accordance with paragraph (1), the keeper of the register may require the person seeking that disclosure to prove one or more of the following matters—
(a)that he is an authorised officer of an enforcement authority;
(b)that the request is made for the purposes of the enforcement by enforcement authorities of—
(i)the duties under sections 155 to 159 and 167(4) of the 2004 Act; or
(ii)any duty imposed under section 172(1) of that Act.