12.—(1) Subject to paragraph (4), where an operator of an installation which is permitted under these Regulations proposes to make a change in the operation of that installation the operator shall, at least 14 days before making the change, notify SEPA.
(2) A notification under paragraph (1) shall be in writing (or in electronic form acceptable to SEPA) and shall contain a description of the proposed change in the operation of the installation.
(3) SEPA shall, by notice served on the operator, acknowledge receipt of any notification received under paragraph (1).
(4) Paragraph (1) shall not apply where–
(a)the operator applies under regulation 13(2) for the variation of the conditions of the permit before making the proposed change; and
(b)that application contains a description of the change.