27(1)This paragraph applies where—
(a)the relevant planning authority for the purposes of Part 1 of this Schedule would, but for this paragraph, be a London borough council, and
(b)as a result of a Localism Act TCPA order, a Mayoral development corporation is the local planning authority for the purposes of Part 3 of the Town and Country Planning Act 1990 for the area where the development or work is carried out.
(2)The Mayoral development corporation is the relevant planning authority for the purposes of Part 1 of this Schedule, instead of the London borough council (and references to a “planning authority” in Parts 2 and 3 of this Schedule are to be read accordingly).