(a) is correct as to amount;
(b) is for expenditure that has been duly approved;
(c) is supported by all relevant vouchers or, where a relevant voucher is missing or defective, is supported by all other relevant vouchers (if any) and by a certificate given by the head of administration or an authorised officer certifying that it is not reasonably possible to obtain the missing voucher or a copy of it or a voucher that is not defective (as the case may be) and, if the claim is for payment in respect of supplies, certifying, in addition—
(i) as to the date on which, or the period during which, the supplies were executed, furnished or performed, as the case may be; and
(ii) that the supplies are a reasonable and proper charge against the public funds;
(d) is made out in the name of a person or an authority to whom payment may be made in accordance with regulation 38;
(e) has not previously been paid;
(f) identifies the head of expenditure to which the amount is chargeable; and
(g) where the claim is for payment in respect of supplies—
(i) specifies, or is supported by a voucher that specifies, the date on which, or the period during which, the supplies were executed, furnished or performed, as the case may be, and the rate at which the supplies were so executed, furnished or performed; and
(ii) is supported by a certificate given by the head of administration or an authorised officer certifying that the requirements of the agreement relating to the supplies that are to be satisfied to entitle the claimant to payment have been satisfied.
(2) Where the head of administration or an authorised officer gives in respect of a claim for the payment of an amount, not being a claim for payment in respect of supplies, a certificate certifying that the claim is for expenditure that has been duly approved, the expenditure to which the claim relates shall be deemed, for the purposes of subregulation (1), to have been so approved.