52(1)Subject to the following provisions of this paragraph, for the purposes of the construction of sections 158 to 161 of this Act in accordance with Part I of this Schedule, any compensation (whether by way of principal or interest) under Part V of the Act of 1954, and any claim for, or notice registered in respect of, any such compensation, as well as any compensation under Part II of that Act, or any claim for, or notice registered in respect of, compensation under the said Part II, shall be treated as compensation or, as the case may be, a claim for, or a notice registered in respect of compensation, under provisions of that Act corresponding to those of Part VII of this Act.
(2)For the purposes of the construction of section 158 of this Act in accordance with sub-paragraph (1) of this paragraph in relation to Part V of the Act of 1954, any reference to a planning decision shall be construed as including a reference to an order under section 21 of the Act of 1947.
(3)Where compensation under Part V of the Act of 1954 became or becomes payable in respect of an order modifying planning permission, then (notwithstanding anything in the preceding provisions of this paragraph) the provisions of sections 159 and 161 of this Act shall not apply to development in accordance with that permission as modified by the order.
53For the purposes of the construction, in accordance with Part I of this Schedule, of section 160(4) of this Act—
(a)the provisions of section 52(6) of the /vet of 1954 as originally enacted; and
(b)those provisions as applied by any regulations made under section 52(8) of that Act,
as well as the provisions of the said section 52(6) as amended by section 51 of the Act of 1959, shall be treated as provisions corresponding to those of section 257 of this Act.