41 CFR § 301-53.5
Are there exceptions to the mandatory use of contract city-pair fares and an agency's travel management service?
June 9, 2020
Yes, the exceptions are in accordance with §§301-10.107 and 301-10.108 of this chapter for the mandatory use of a contract city-pair fare, and §301-73.103 of this chapter for the mandatory use of a travel management service.
[FTR Amdt. 104, 67 FR 17947, Apr. 12, 2002, as amended by FTR Amdt. 2007-05, 72 FR 61539, Oct. 31, 2007]