41 CFR 301-71.203: -71.203 Responsibility for claim validity.

The certifying official assumes ultimate responsibility under 31 U.S.C. 3528 for the validity of the claim and certifies the voucher within the agency travel accounting system (Financial Management) prior to authorizing the voucher for payment; however:

(a) The traveler must ensure all travel expenses are prudent and necessary and submit the expenses in the form of a proper claim; and

(b) The authorizing/approving official shall review the completed claim to ensure that the claim is properly prepared in accordance with regulations in this subtitle and agency procedures prior to authorizing it for payment.