(1) A directive may apply a provision of this Act to a general employee or temporary employee.
(2) The provision applies to the employee in the following ways (the directive's application)--
(a) as if the employee were a public service officer;
(b) with necessary changes and any other changes prescribed under a directive of the commission chief executive.
(3) The directive may prescribe anything necessary or convenient--
(a) to make the directive or for its application; or
(b) to carry out or give effect to the directive or its application; or
(c) because of the making of the directive or its application.