Subject to sections 10 and 11, this Act applies to every construction contract (whether or not governed by New Zealand law) that—
(a) relates to carrying out construction work in New Zealand; and
(b) is either—
(i) entered into on or after the date of commencement of this Act; or
(ii) entered into before the date of commencement of this Act and that is renewed for a further term on or after that date (except that this Act has effect only in relation to obligations that are incurred or undertaken on or after that date); and
(c) is written or oral, or partly written and partly oral.