21. (1) The Commission may, subject to the approval of the Minister given with the consent of the Minister for Public Expenditure and Reform, appoint such number of persons to be members of its staff as it may determine.

(2) The Commission shall, subject to the approval of the Minister given with the consent of the Minister for Public Expenditure and Reform, determine the grades of members of its staff and the numbers in each grade.

(3) Members of staff of the Commission shall be civil servants.