Section 21: Power to require information from licence-holder.

(1) The holder of a refiner's licence shall-
(a) produce to the Board for inspection as and when required invoices and other books or documents in his possession relating to hydrocarbon oils refined by him during the preceding period of twelve months or any part thereof;
(b) supply answers to questions relating to the refining of hydrocarbon oils and related matters as the Board may reasonably require to implement the provisions of this Act;
(c) produce to the Board such evidence as it may reasonably require in support of any answer so supplied; and
(d) make returns in such form and at such intervals as the Board may require
(2) If the holder of a refiner's licence fails without lawful excuse to comply with any of the requirements imposed by the Board under subsection (1) of this section he shall be guilty of an offence and shall be liable on summary conviction to a fine of two hundred naira.
(3) The powers conferred on the Board by subsection (1) of this section, in so far as they relate to the questions regarding the cost of production and the refiner's profits in respect of any hydrocarbon oils refined by him shall be exercisable only by the Board itself.
(4) The Board may require the holder of a refiner's licence to supply to it in every year and at such other times as it may direct a certificate of audit by an accountant approved by the Board as to-
(a) the correctness of all the books and records required by or under this Act to be kept by the licence-holder; and
(b) any matter necessary to implement any of the provisions of this Act.
(5) The holder of a refiner's licence who without reasonable excuse fails to supply a certificate of audit when required under subsection (4) of this section shall be guilty of an offence and shall be liable on summary conviction to a fine of one thousand naira.
(6) In this section "accountant approved by the Board" means an accountant who is a member of one of the professional bodies for the time being declared by the Board, by notice in the Federal Gazette, to be approved for such purposes, but does not include any such member if he is the holder of a refiner's licence or is employed by any such holder.