Section 73

The officer who signs the voucher thereby certifies to the ac-curacy of every detail therein. He will therefore be held responsible that the services specified have been duly performed ; that the prices charged are either according to contracts or approved scales, or are fair and reasonable according to current local rates ; that authority has been obtained as quoted ; that the computations and castings have been verified and are arithmetically correct ; that the persons named in the vouchers are those entitled to receive payment ; that stores pur-chased have been duly taken on charge or are accounted for as ap-propriate ; that all deductions due to be made have been effected ; and that the voucher is properly classified in accordance with Regulation 62.

7 4.

In the event of any unauthorised payment being made in conse-quence of an incorrect certificate on a voucher, the officer who signed the certificate will be held responsible, and the amount may be sur-charged against him.