41 CFR § 301-71.105
Must we issue a travel authorization in advance of travel?
August 7, 2025
§ 301-71.105 Must we issue a travel authorization in advance of travel?
Yes, except when advance authorization is not possible or practical and approval is in accordance with § 301-2.1, § 301-2.5, or § 304-3.13. However, the following always require advance authorization:
(a) Use of reduced fares for group or charter arrangements;
(b) Payment of a reduced rate per diem;
(c) Acceptance of payment from a non-Federal source for travel expenses (see chapter 304 of this title); and
(d) Travel expenses related to attendance at a conference.
[FTR Case 2020-300-1, 87 FR 55706, Sept. 12, 2022]