49 CFR 398.2 - Applicability.
(a) General. The regulations prescribed in this part are applicable to carriers of migrant workers by motor vehicle, as defined in § 398.1(b), but only in the case of transportation of any migrant worker for a total distance of more than 75 miles (120.7 kilometers) in interstate commerce, as defined in 49 CFR 390.5.
(i) The motor vehicle is designed or used to transport between 9 and 15 passengers (including the driver);
(ii) The motor carrier is directly compensated for the transportation service; and
(2) Carriers of migrant workers by motor vehicle that operate vehicles, designed or used to transport between 9 and 15 passengers (including the driver) for direct compensation, in interstate commerce, must comply with the applicable requirements of 49 CFR parts 385, 390, 391, 392, 393, 395, and 396, when the motor vehicle is operated beyond a 75 air-mile radius (86.3 statute miles or 138.9 kilometers) from the driver's normal work-reporting location.