(A) Before holding the public hearing, written notice of such hearing shall be mailed by the applicant(s) or initiator(s) by certified mail, return receipt requested, in a form by certified mail, return receipt requested, in a form which meets the Board’s requirements at least 15 days prior to the day of the hearing to the owners of all adjoining parcels of land to a depth of two ownerships or 250 feet, whichever is greater, of the exterior boundaries of the subject property. For the purposes of notification of parties in interest, where any such adjacent parcels of land are owned by the applicant(s), the subject property shall be deemed to include adjacent land owned by the applicants.