15.—(1) The kind of modifications prescribed for the purposes of section 18(5) of the Act are modifications which–
(a)remove or significantly alter any policies or any proposals set out in the proposed local development plan published in accordance with section 18(1) or republished in accordance with section 18(5)(a) of the Act; or
(b)introduce new policies or proposals into the proposed local development plan.
(2) Where the planning authority make such modifications to a proposed local development plan they must give notice to the owner, lessee or occupier of any premises situated on a relevant site or on neighbouring land in accordance with paragraph (3).
(3) Notice given under paragraph (2) is to be–
(a)in the form set out in Schedule 3 (and completed in accordance with the instructions therein);
(b)accompanied by a map showing the location of the relevant site in question; and
(c)sent to the premises situated on the site or land, as the case may be, addressed to the Owner, Lessee or Occupier”.
(4) In this regulation “relevant site” means land in respect of which a modification mentioned in paragraph (1) removes, alters or introduces a specific proposal for the development of that land which if implemented would be likely to have a significant effect on the use or amenity of that land or neighbouring land.