In this part:
"reviewable decision" means—
(a) a decision of the Minister mentioned in schedule 1, part 1.1, column 3 under a provision of this Act mentioned in schedule 1, part 1.1, column 2; or
(b) a decision of the chief executive mentioned in schedule 1, part 1.2, column 3 under a provision of this Act mentioned in schedule 1, part 1.2, column 2.