They can veto BID proposals if they consider that the BID proposals are likely: a) to conflict with any structure plan, local plan, strategic development plan or local development plan which has been approved or adopted under the principal Act and which applies to the proposed business improvement district or any part of it, b) to conflict to a material extent with any policy formally adopted by and contained in a document published by the authority (whether or not the authority are under a statutory duty to prepare such a document), or c) to lead to a significantly disproportionate financial burden being imposed on— (i) any person entitled to vote in the ballot on the proposals, or (ii) any class of such persons, as compared...