Head of a Government department

means—

(a)	the incumbent of a post mentioned in Column 2 of Schedule 1, 2 or 3 to the Public Service Act, 1994 (Proclamation No. 103 of 1994), and includes any person acting in such post; or

(b)	a municipal manager appointed in terms of section 54A of the Local Government: Municipal Systems Act, 2000 (Act No. 32 of 2000), and includes any person acting in such post;