[Code of Federal Regulations] [Title 41, Volume 4] [Revised as of July 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 41CFR301-51.1] [Page 53] TITLE 41--PUBLIC CONTRACTS AND PROPERTY MANAGEMENT CHAPTER 301--TEMPORARY DUTY (TDY) TRAVEL ALLOWANCES PART 301-51--PAYING TRAVEL EXPENSES--Table of Contents Subpart A--General Sec. 301-51.1 What is the required method of payment for official travel expenses? Source: FTR Amdt. 90, 65 FR 3055, Jan. 19, 2000, unless otherwise noted. You are required to use the Government contractor-issued travel charge card for all official travel expenses unless you have an exemption.