316.—Section 146 shall apply to the performance by the Board of its functions for the purposes of this Part as if—

(a) "the State" were substituted for "the area in which it is proposed to carry out the development, or in which the development is located," in subparagraph (iii) of paragraph (a) of subsection (4), and

(b) "7 years" were substituted for "5 years" in paragraph (b) of subsection (7).]