(1) An authorised officer shall examine each claim for a payment under this Act made to him and shall, if he is satisfied that an amount is payable to the claimant, give a certificate in writing to that effect.
(2) An authorised officer who is examining a claim for a payment under this Act may give a certificate in writing that a sale or use of a specified quantity of an eligible petroleum product by a specified person took place at a specified date and place.
(3) Where an authorised officer is satisfied that an amount paid to a person under this Act (including an amount paid by way of an advance) was not payable to the person or exceeded the amount that was payable to the person, he may give a certificate in writing that the amount paid or the amount of the excess, as the case may be, is repayable by the person to the State.
(4) The Auditor-General of the State shall treat a certificate under this section as correct in all respects.
(5) For the purposes of this Act, a document purporting to be a certificate referred to in this section shall, unless the contrary is proved, be deemed to be such a certificate and to have been duly given.