20. (1) The members of the Commission may, by a simple majority, nominate one or more than one member of the Commission (in this Act referred to as a “deputy chairperson”) to deputise for the chairperson under subsection (2).

(2) The deputy chairperson shall deputise for the chairperson:

(a) where the chairperson so requests;

(b) in the event that the chairperson is unable to perform his or her functions;

(c) if the office of the chairperson is vacant.

(3) The deputy chairperson may, in addition to his or her remuneration as a member, be paid such additional remuneration (if any) as the Minister, with the consent of the Minister for Public Expenditure and Reform, may determine.