omit, insert--
'(1) A scheme must state the period, not longer than 5 years, for which it is to remain in force after its commencement.
'(1A) Subject to subsection (2), a scheme, other than an interstate scheme, remains in force until--
(a) the period stated under subsection (1) ends; or
(b) the scheme is revoked; or
(c) the scheme's operation ceases because of the operation of another Act; or
(d) the scheme is declared void, either by--
(i) an order of the Supreme Court under section 16; or
(ii) an order of the Supreme Court of another jurisdiction under the corresponding law of that jurisdiction;
whichever happens first.
'(1B) Subject to subsection (2), an interstate scheme remains in force until--
(a) the period stated under subsection (1) ends; or
(b) the scheme's operation in relation to this jurisdiction is terminated under section 18B; or
(c) the scheme ceases to have effect in the jurisdiction in which it was prepared;
whichever happens first.