(1)  Subject to this section, the dedication as a highway of land in a city or town is of no effect unless the approval of the corporation under its seal is or has been given to the dedication.

(2)  The corporation shall, before giving its approval under this section to the dedication of any land as a highway, give at least 28 days' written notice to the Transport Commission of its intention to give such an approval.

(3)  An approval given under this section may be given subject to compliance with section 10 , and that section applies accordingly in respect of the highway to which the approval relates.

(4)  Except in a case to which subsection (3) applies, where approval is given under this section to the dedication of any land as a highway, that land shall be deemed not to have been dedicated as a highway unless the person capable of so dedicating the land has served notice on the corporation that it has been so dedicated.

(5)  This section does not prevent the creation of a highway under the Roads and Jetties Act 1935 or any other Act, nor does it prevent the exercise by a corporation of its powers under section 6 .