[Code of Federal Regulations] [Title 41, Volume 4] [Revised as of July 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 41CFR301-11.25] [Page 42] TITLE 41--PUBLIC CONTRACTS AND PROPERTY MANAGEMENT CHAPTER 301--TEMPORARY DUTY (TDY) TRAVEL ALLOWANCES PART 301-11--PER DIEM EXPENSES--Table of Contents Subpart A--General Rules Sec. 301-11.25 Must I provide receipts to substantiate my claimed travel expenses? Yes, you must provide a lodging receipt and either a receipt for any authorized expenses incurred costing over $75, or a reason acceptable to your agency explaining why you are unable to provide the necessary receipt.