You are using an unsupported browser. This web site is designed for the current versions of Microsoft Edge, Google Chrome, Mozilla Firefox, or Safari.
The Office of the Federal Register publishes documents on behalf of Federal agencies but does not have any authority over their programs. We recommend you directly contact the agency associated with the content in question.
If you have comments or suggestions on how to improve the www.ecfr.gov website or have questions about using www.ecfr.gov, please choose the 'Website Feedback' button below.
If you would like to comment on the current content, please use the 'Content Feedback' button below for instructions on contacting the issuing agency
Enhanced content is provided to the user to provide additional context.
This content is from the eCFR and is authoritative but unofficial.
Navigate by entering citations or phrases (eg: 1 CFR 1.1 49 CFR 172.101 Organization and Purpose 1/1.1 Regulation Y FAR).
Choosing an item from citations and headings will bring you directly to the content. Choosing an item from full text search results will bring you to those results. Pressing enter in the search box will also bring you to search results.
Background and more details are available in the Search & Navigation guide.
The in-page Table of Contents is available only when multiple sections are being viewed.
Use the navigation links in the gray bar above to view the table of contents that this content belongs to.
5 U.S.C. 5704; 5 U.S.C. 5707; 5 U.S.C. 5707, note; 40 U.S.C. 121(c); 49 U.S.C. 40118; Office of Management and Budget Circular No. A-126, revised May 22, 1992, 57 FR 22150.
FTR Case 2025-05, 90 FR 56893, Dec. 8, 2025, unless otherwise noted.
This content is from the eCFR and may include recent changes applied to the CFR. The official, published CFR, is updated annually and available below under "Published Edition". You can learn more about the process here.
Subscribe to: 41 CFR 301-10.450
View the most recent official publication:
These links go to the official, published CFR, which is updated annually. As a result, it may not include the most recent changes applied to the CFR. Learn more.
Information and documentation can be found in our developer resources.
The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.
Learn more about the eCFR, its status, and the editorial process.
(a) The agency must determine that a rental vehicle's use is advantageous to the Government and specifically authorize such use.
(b) When authorized, travelers should first consider renting from a vendor participating in the Defense Travel Management Office (DTMO) U.S. Government Car Rental Agreement to obtain insurance and damage liability benefits, unless traveling OCONUS where no agreement exists for the temporary duty location.
(c) Travelers must use the least expensive compact car available, with exceptions approved on a limited basis and documented on the travel authorization. Exceptions may include:
(1) Accommodating medical disabilities or special needs.
(2) Agency mission requirements.
(3) When the cost of other than a compact car is less than or equal to the cost of the least expensive compact car available.
(4) Requiring additional space for multiple travelers authorized to travel together in the same vehicle.
(5) Carrying large amounts of Government material.
(6) Safety considerations during severe weather or difficult terrain.
(d) Travelers will not be reimbursed for:
(1) Pre-paid refueling options. They should refuel before returning the vehicle, with vendor refueling charges reimbursable only if complete refueling is impossible due to safety issues or fueling station location.
(2) Rental car loyalty point fees or point transfer charges.