The regulations may provide for the imposition of fees, to be collected on behalf of the Commonwealth, for the performance, whether in Australia or elsewhere, of consular acts by:
(a) an Australian Diplomatic Officer or an Australian Consular Officer; or
(b) the person holding or acting in the office of Secretary of the Department or an officer of the Department acting with the authority of the Secretary; or
(c) an employee of the Commonwealth authorised, in writing, by the Secretary of the Department; or
(d) an employee of the Australian Trade and Investment Commission authorised, in writing, by the Secretary of the Department.