(1) To avoid doubt, a function or duty may be performed, or a power exercised, under this instrument in relation to conduct engaged in, an event that occurred, or a circumstance that arose, before the commencement time.
(2) This section does not limit this Division or section 7 of the Acts Interpretation Act 1901 (as that Act applies in relation to this instrument because of paragraph 13(1)(a) of the Legislation Act 2003 ).