18.  (1) Nothing in this Act shall compel a person, other than a person to whom subsection (2) applies, to disclose any information or documentation that the person would be entitled to refuse to produce on the grounds of legal professional privilege.

(2) Notwithstanding the relationship between, or rights and privileges of, a legal practitioner and his or her client, a legal practitioner shall, if so requested by a person authorised in that behalf by the Authority, provide the person with any information (in such form as that person may specify) or documentation which is required by the Authority for the purpose of enabling the Authority to discharge its functions under this Act.

(2) Information or documentation provided by a legal practitioner in accordance with subsection (2) may only be used for the purpose of enabling the Authority to discharge its functions under this Act in relation to legal practitioners.