20 C.F.R. § 618.872 – Travel under the Trade Adjustment Assistance Program.

(a) TAA Program participants are subject to the FTR at 41 CFR chapters 300 through 304 for all travel paid for with TAA Program funds.
(b) Except for the definition of “commuting area,” States may not apply State or local travel policies and restrictions to TAA Program participants receiving reimbursements for travel under the Act.
(c) In instances where the FTR is silent or defers to the Federal agency's travel policies, the State must apply the relevant policies of the Department.