“(1) A regional transport committee that has prepared a regional land transport programme on behalf of a regional council must, after it has consulted under sections 18 and 18A, lodge the regional land transport programme with the regional council.
“(2) If a regional transport committee decides not to include in its regional land transport programme an activity or combination of activities proposed by an approved organisation or the Agency, the regional transport committee must, at the same time as it lodges the programme with the regional council under subsection (1), give the approved organisation or the Agency (as the case may require) written advice of the decision and the reasons for the decision.
“(3) The relevant regional council may, after considering a regional land transport programme that has been lodged with it under subsection (1), decide—
“(4) If a regional council refers a regional land transport programme back to its regional transport committee, the regional transport committee may, after reconsidering the aspects referred back to it by the regional council in its request, forward to the regional council either or both of the following:
“(5) Despite subsection (4)(a), a regional transport committee may forward an amended regional land transport programme to the regional council without consulting in accordance with sections 18 and 18A if the amendment or amendments to the regional land transport programme are not significant.
“(6) If a regional council receives an amended regional land transport programme, or a regional land transport programme with additional information, under subsection (4), it must—
“(7) If the Agency receives an amended regional land transport programme, or a regional land transport programme with additional information, under subsection (6)(b), the Agency must, when developing the national land transport programme,—
“(8) Section 18F applies, with the necessary modifications, to any programme or amended programme and statement of reasons forwarded under subsection (6).