Without prejudice to the generality of regulation 4, the Trust shall–
(a) keep such records and accounts and furnish to the Secretary of State such information, documents, returns and accounts as the Secretary of State may from time to time require;
(b) open to the inspection of the Comptroller and Auditor General the records and accounts kept pursuant to the requirement imposed under paragraph (a) above;
(c) where grant has been paid in respect of expenditure to be incurred and the expenditure or part of it is not incurred, repay on application made in that behalf by the Secretary of State the grant paid or the proportionate part thereof.