41 CFR § 301-13.3 - What additional travel expenses may my agency pay under this part?
Your agency approving official may pay for any expenses deemed necessary by your agency to accommodate your special need including, but not limited to, the following expenses:
(a) Transportation and per diem expenses incurred by a family member or other attendant who must travel with you to make the trip possible;
(b) Specialized transportation to, from, and/or at the TDY duty location;
(c) Specialized services provided by a common carrier to accommodate your special need;
(d) Costs for handling your baggage that are a direct result of your special need;
(e) Renting and/or transporting a wheelchair;
(f) Other than coach class accommodations to accommodate your special need, under subpart B of part 301-10 of this subchapter; and
(g) Services of an attendant, when necessary, to accommodate your special need.
For limits on the amount that may be paid to an attendant, other than travel expenses, see 5 U.S.C. 3102 and guidance at https://www.opm.gov/FAQs.