23.—(1) Where the owner of a plant (“plant A”) is required by regulation 17(2)(e) or 46(4) to make an authorisation application, that application must be made in accordance with this regulation.
(2) An authorisation application in respect of plant A must not be made before an accreditation application is made for plant A.
(3) A person who makes an authorisation application must provide to the Authority—
(a)details of the metering arrangement;
(b)if eligible meters are positioned in accordance with paragraph (3) or (4) of regulation 15 or paragraph (3) or (4) of regulation 16, evidence from the certified installer who was responsible for, or checked, the installation of the meters explaining why the heat output from plant A cannot be metered separately from the heat output from another plant (“plant B”);
(c)if eligible meters are positioned in accordance with paragraph (4) of regulation 15 or paragraph (4) of regulation 16, evidence from the certified installer who was responsible for, or checked, the installation of the meters explaining why the heat output from plant B cannot be metered separately from the heat output from plant A;
(d)if eligible meters are positioned in accordance with paragraph (5) of regulation 16, evidence that plant A is a heat pump which is capable of providing heating as well as cooling; and
(e)any other information which the Authority may request in order to enable it to consider the authorisation application.