4.—(1) A person may apply to the Treasury for their approval of him as Operator of a relevant system.
(2) Any such application—
(a)shall be made in such a manner as the Treasury may direct; and
(b)shall be accompanied by such information as the Treasury may reasonably require for the purpose of determining the application.
(3) At any time after receiving an application and before determining it, the Treasury may require the applicant to furnish additional information.
(4) The directions and requirements given or imposed under paragraphs (2) and (3) may differ as between different applications.
(5) Any information to be furnished to the Treasury under this regulation shall, if they so require, be in such form or verified in such manner as they may specify.
(6) Every application shall be accompanied by a copy of any rules and guidance to be issued by the applicant.