317.—(1) Subject to section 289, Part X (other than the excluded provisions) shall apply to—

(a) development to which Chapter III applies, and

(b) proposed such development,

as if—

(i) "the Board" were substituted for "a planning authority or the Board" in each place that it occurs,

(ii) "the Board" were substituted for "the planning authority or the Board" in each place that it occurs,

(iii) "the Board" were substituted for ‘a planning authority or the Board, as may be appropriate,’ in each place that it occurs,

(iv) "the Board" were substituted for "the planning authority concerned or the Board, as may be appropriate," in each place that it occurs,

(v) "the Board" were substituted for "planning authority or the Board, as the case may be," in each place that it occurs,

(vi) all other references to a planning authority or the planning authority were references to the Board,

(vii) in subsection (4) of section 173A, "the relevant planning authority or" were deleted, and

(viii) in subsection (4) of section 173B, "the relevant planning authority or" were deleted.

(2) In this section "excluded provision" means—

(a) section 175,

(b) subsections (1) and (2) of section 173,

(c) subsection (9) of section 173C,

(d) subsections (1) and (2) of section 174, and

(e) paragraphs (a), (b) and (c) of subsection (3), and subsection (4), of section 172.]