(1)Where a provision of this Part of this Act requires a thing to be determined in accordance with this section, that provision shall—
(a)in its application to England and Wales, be taken as requiring it to be determined by the Lands Tribunal; and
(b)in its application to Scotland, be taken as requiring it to be determined by the Lands Tribunal for Scotland, subject however to the following subsection.
(2)Until sections 1 to 3 of the M1Lands Tribunal Act 1949 come into force as regards Scotland, the said provision shall be taken as requiring the thing in question to be determined by reference to an official arbiter appointed under Part I of the M2Land Compensation (Scotland) Act 1963; and sections 3 and 5 of that Act shall apply, subject to any necessary modifications, in relation to the determination of any question under this Act by an arbiter so appointed.