For the purposes of chapter 4, title 49, Idaho Code, motor vehicle registration, a vehicle or combination of vehicles of a type used or maintained for the transportation of persons for hire, compensation or profit, or the transportation of property for the owner of the vehicle, or for hire, compensation, or profit, and shall include fixed load specially constructed vehicles exceeding the limits imposed by chapter 10, title 49, Idaho Code, and including drilling rigs, construction, drilling and wrecker cranes, log jammers, log loaders, and similar vehicles which are normally operated in an overweight or oversize condition or both, but shall not include those vehicles registered pursuant to sections 49-402 and 49-402A, Idaho Code, or exempted by section 49-426, Idaho Code. A motor vehicle used in a ridesharing arrangement that has a seating capacity for not more than fifteen (15) persons, including the driver, shall not be a "commercial vehicle" under the provisions of this title relating to equipment requirements, rules of the road, or registration.
Idaho Code § 49-123