[Code of Federal Regulations] [Title 41, Volume 4] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 41CFR301-53.4] [Page 68] TITLE 41--PUBLIC CONTRACTS AND PROPERTY MANAGEMENT CHAPTER 301--TEMPORARY DUTY (TDY) TRAVEL ALLOWANCES PART 301-53_USING PROMOTIONAL MATERIALS AND FREQUENT TRAVELER PROGRAMS --Table of Contents Sec. 301-53.4 May I select travel service providers for which my agency is not a mandatory user in order to maximize my frequent traveler benefits? No, you may not select a traveler service provider based on whether it provides frequent traveler benefits. You must use the travel service provider for which your agency is a mandatory user. This includes contract passenger transportation services and travel management systems. You may not choose a travel service provider to gain frequent traveler benefits for personal use. (Also see Sec. Sec. 301-10.109 and 301-10.110 of this chapter.)