Lessee,
Lessee, as used in subpart F of this part, means the motor carrier obtaining the use of a passenger-carrying commercial motor vehicle, with or without the driver, from another motor carrier. The term lessee includes a motor carrier obtaining the use of a passenger-carrying commercial motor vehicle from another motor carrier under an interchange or other agreement, with or without a driver, whether or not compensation for such use is specified. For a definition of lessee in the context of property-carrying vehicles, see 376.2 of this subchapter.
Source
49 CFR § 390.5T
Scoping language
Unless specifically defined elsewhere, in this subchapter: