New Zealand Legislation: Acts
Acts are laws made by Parliament
The chief executive of a Department shall be responsible to the appropriate Minister for—
(a) The carrying out of the functions and duties of the Department (including those imposed by Act or by the policies of the Government); and
(b) The tendering of advice to the appropriate Minister and other Ministers of the Crown; and
(c) The general conduct of the Department; and
(d) The efficient, effective, and economical management of the activities of the Department.