The purpose of this Act is—
(a) to ensure that the power to make subordinate legislation is exercised subject to Parliament's authority and control;
(b) to regulate the preparation, making, publication and scrutiny of subordinate legislation;
(c) to provide for public participation in the preparation and scrutiny of subordinate legislation;
(d) to amend the Interpretation of Legislation Act 1984 in relation to incorporated documents, the incorporation of amendments and the admissibility of Acts and subordinate instruments.