301-71.203—Who is responsible for the validity of the travel claim?
The certifying officer assumes ultimate responsibility under 31 U.S.C. 3528 for the validity of the claim; however:
(a)
The traveler must ensure all travel expenses are prudent and necessary and submit the expenses in the form of a proper claim;
(b)
The authorizing/approving official shall review the completed claim to ensure that the claim is properly prepared in accordance with regulations and agency procedures prior to authorizing it for payment.