Where the amount of any such compensation as is mentioned in subsection (1) of section 280 falls to be ascertained in accordance with the provisions of that section, the compensation shall, in default of agreement, be assessed by the F1Upper Tribunal, if apart from this section it would not fall to be so assessed.

For the purposes of any proceedings arising before the F1Upper Tribunal in respect of compensation falling to be ascertained as mentioned in subsection (1), the provisions of F2section 4 of the M1Land Compensation Act 1961 shall apply as they apply to proceedings on a question referred to the Tribunal under section 1 of that Act, but with the substitution in F3section 4, for references to the acquiring authority, of references to the person from whom the compensation is claimed.