[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: 41CFR301-72.201] [Page 76] TITLE 41--PUBLIC CONTRACTS AND PROPERTY MANAGEMENT CHAPTER 301--TEMPORARY DUTY (TDY) TRAVEL ALLOWANCES PART 301-72--AGENCY RESPONSIBILITIES RELATED TO COMMON CARRIER TRANSPORTATION--Table of Contents Subpart C--Cash Payments for Procuring Common Carrier Transportation Services Sec. 301-72.201 What must we do if an employee uses cash in excess of the $100 limit to purchase common carrier transportation? To justify the use of cash in excess of $100, both the agency and traveler must certify on the travel claim the necessity for such use. See 41 CFR 101-41.203-2.