(1) The functions of the Parliamentary Budget Officer are—
(a) to prepare election policy costings, pre‑election reports and post-election reports under Division 1 of Part 3; and
(b) to prepare costings of other policies under Division 2 of Part 3; and
(c) to provide other services to members of Parliament under Division 3 of Part 3; and
(d) the functions conferred under the Parliamentary Administration Act 2005 ; and
(e) any other functions conferred under this Act.
(2) In performing the functions specified in subsection (1), the Parliamentary Budget Officer must have regard to the objectives of this Act specified in section 5.