[Code of Federal Regulations] [Title 41, Volume 4] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 41CFR301-10.142] [Page 33] TITLE 41--PUBLIC CONTRACTS AND PROPERTY MANAGEMENT CHAPTER 301--TEMPORARY DUTY (TDY) TRAVEL ALLOWANCES PART 301-10_TRANSPORTATION EXPENSES--Table of Contents Subpart B_Common Carrier Transportation Sec. 301-10.142 What must the certification include? The certification must include: (a) Your name; (b) The dates that you traveled; (c) The origin and the destination of your travel; (d) A detailed itinerary of your travel, name of the air carrier and flight number for each leg of the trip; and (e) A statement explaining why you met one of the exceptions in Sec. 301-10.135, Sec. 301-10.136, or Sec. 301-10.137 or a copy of your agency's written approval that foreign air carrier service was deemed a matter of necessity in accordance with Sec. 301-10.138.