(1) The Treasurer may, by legislative instrument, give notice of an amendment of the Agreement that has been accepted in accordance with Article VII of the Agreement.
(2) A legislative instrument under subsection (1) commences at the later of the following days or times:
(a) the earliest day or time applicable under subsection 12(1) of the Legislation Act 2003 ;
(b) the start of the day immediately after the last day on which a resolution referred to in subsection 42(1) of the Legislation Act 2003 disallowing the instrument could be passed.