Amended safety authorisation
9.—(1) Where it is proposed that a substantial change is to be made to—
(a)the infrastructure in respect of which a safety authorisation has been issued;
(b)any energy supply, not falling within sub-paragraph (a), which is used in connection with the infrastructure; or
(c)the principles of operation and maintenance of such infrastructure or energy supply,
then the holder of the safety authorisation shall apply to the Department for the safety authorisation to be amended accordingly and the substantial change shall not be made until the safety authorisation is so amended.
(2) An application for an amended safety authorisation under this regulation shall provide details of—
(a)the substantial changes proposed; and
(b)any consequential changes to any information sent to the Department in respect of the operation in question which remains relevant to that operation.
(3) Subject to regulation 15(6), within four months of the date of receipt of the application the Department shall—
(a)issue a notice making any necessary amendments to the matters set out in the safety authorisation; or
(b)notify the applicant that it has refused the application,
and in either case shall give reasons for its decision.