(1) Section 91 does not prevent a disclosure of confidential information which -

(a) is made for the purpose of facilitating the carrying out of a public function, and

(b) is permitted by regulations made by the Treasury under this section.

(2) For the purposes of this section "public functions" includes -

(a) functions conferred by or in accordance with any provision contained in any enactment;

(b) [deleted]

(c) similar functions to those in paragraph (a) conferred on persons by or under provisions having effect as part of the law of a country or territory outside the United Kingdom;

(d) functions exercisable in relation to specified disciplinary proceedings.

(3) Regulations under this section may, in particular, make provision permitting the disclosure of confidential information or of confidential information of a specified kind -