If | You will inform the traveler |
The new ticket is more expensive than the ticket you provided | That the traveler must pay the difference using personal funds and the traveler will not receive reimbursement for the extra amount. |
The new ticket is less expensive than the ticket you provided | Provide the interviewee with a credit/refund address by attaching a copy of the GTR, or some other document containing this information, to either the ticket or the travel authorization as provided in U.S. Government Passenger Transportation Handbook (https://www.gsa.gov/transaudits) |
41 C.F.R. §301-75.202