Oil Taxation Act 1975

7 (1) Where a participator in or the responsible person for an oil field fails to deliver a return as required by paragraph 2 or, as the case may be, 5 above or the Board are not satisfied with a return delivered in pursuance of either of those paragraphs, the Board may, by notice in writing, require the participator or, as the case may be, the responsible person to do any of the following things, that is to say—

(a) do deliver to the Board copies of such accounts (including balance sheets) relating to the field or to oil won therefrom as may be specified or described in the notice within such period as may be so specified, including, where the accounts have been audited, a copy of the auditor's certificate;

(b) to make available, within such time as may be specified in the notice, for inspection by an officer authorised by the Board all such books, accounts and documents in his possession or power as may be specified or described in the notice, being books, accounts and documents which contain information about transactions relating to the oil field or to oil won therefrom.

(2) An authorised officer of the Board may take copies of, or make extracts from, any books, accounts or documents made available for his inspection under this paragraph.