keep in relation to the business such books, records and accounts in such form as the Commissioners may direct,

for at least six months or such shorter or longer period as the Commissioners may direct, preserve any books, records and accounts directed to be kept by him under paragraph (a) above and any other books, records, accounts or documents relating to the business, on premises specified in sub-paragraph (2) below,

permit any officer authorised in that behalf by the Commissioners to enter on any premises used for the purposes of the business, and, where the business is a general betting business, to remain on the premises at any time while they are being used, or when the officer has reasonable cause to believe that they are likely to be used, for the conduct of betting operations, and

permit any officer so authorised to inspect any totalisator used for the purposes of the business, and to inspect and take copies of any books, records, accounts or other documents in his possession or power or on any premises used for the purposes of the business, being books, records, accounts or documents which relate or appear to relate to the business.

in the case of books, records, accounts and other documents relating to general betting operations, such of the premises used for the purposes of the business as the Commissioners may direct;

in the case of books, records, accounts and other documents relating to coupon betting operations, premises about which the Commissioners have been notified in accordance with paragraph 4(4) above; and

in any other case, premises of which entry has been made in accordance with paragraph 4(2) above.