{"data":{"id":"us/41-cfr-301-2.3","jurisdiction":"us","citation":"41 CFR 301-2.3","heading":"-2.3 Travel arrangements requiring specific authorization or prior approval.","body":"(a) Specific authorization or prior approval is required for:\n(1) Use of reduced fares for group or charter arrangements;\n(2) Use of a foreign air carrier or foreign ship;\n(3) Payment of a reduced per diem;\n(4) Use of cash to pay for common carrier transportation;\n(5) Travel expenses related to emergency travel;\n(6) Acceptance of payment from a non-Federal source for travel expenses (see chapter 304 of this subtitle);\n(7) Travel expenses related to conference attendance;\n(8) Use of a Government aircraft;\n(9) Use of extra-fare train service;\n(10) Travel by ship; and\n(11) Use of a rental car.\n(b) Paragraphs (a)(1), (3), (6), and (7) of this section require a written or electronic advance authorization.","path":["Title 41—Public Contracts and Property Management","Subtitle F—Federal Travel Regulation System","CHAPTER 301—TEMPORARY DUTY (TDY) TRAVEL ALLOWANCES","SUBCHAPTER A—INTRODUCTION AND AUTHORIZATION","PART 301-2—GENERAL RULES"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-41.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:05Z","sha256":"ccb9362ec9aed6260fd077a18e91f7b170e8a68d9b4183fe08b95f95941f1408","source_id":"us-cfr","stale":true,"prev":"us/41-cfr-301-2.2","next":"us/41-cfr-301-10.1"},"notice":"GroundRules: Original legal text. Not legal advice."}