[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: 41CFR301-10.124] [Page 28] 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. 301-10.124 When may I use premium-class other than first-class airline accommodations? Only when your agency specifically authorizes/approves your use of such accommodations under paragraphs (a) through (i) of this section: (a) Regularly scheduled flights between origin/destination points (including connecting points) provide only premium-class accommodations and you certify such on your voucher; or (b) No space is available in coach-class accommodations in time to accomplish the mission, which is urgent and cannot be postponed; or (c) When use of premium-class other than first-class accommodations is necessary to accommodate your disability or other special need. Disability must be substantiated in writing by a competent medical authority. Special need must be substantiated in writing according to your agency's procedures. If you are authorized under Sec. 301-13.3(a) of this chapter to have an attendant accompany you, your agency also may authorize the attendant to use premium-class other than first-class accommodations if you require the attendant's services en route; or (d) Security purposes or exceptional circumstances as determined by your agency make the use of premium-class other than first-class accommodations essential to the successful performance of the agency's mission; or (e) Coach-class accommodations on an authorized/approved foreign air carrier do not provide adequate sanitation or health standards; or (f) The use results in an overall cost savings to the Government by avoiding additional subsistence costs, overtime, or lost productive time while awaiting coach-class accommodations; or (g) Your transportation costs are paid in full through agency acceptance of payment from a non-federal source in accordance with chapter 304 of this title; or (h) Where the origin and/or destination is OCONUS and the scheduled flight time is in excess of 14 hours. In this instance you will not be eligible for a rest stop en route or a rest period upon arrival at your duty site; (i) When required because of agency mission. Note to Sec. 301-10.124: You may upgrade to premium-class other than first-class at your personal expense, including through redemption of frequent flyer benefits. [FTR Amdt. 70, 63 FR 15955, Apr. 1, 1998, as amended by FTR Amdt. 87, 64 FR 67670, Dec. 2, 1999; FTR Amdt. 104, 67 FR 17947, Apr. 12, 2002] Use of United States Flag Air Carriers Source: FTR Amdt. 74, 63 FR 63419, Nov. 13, 1998, unless otherwise noted.