Section 39.02.22.010 - DEFINITIONS01.Combination of Vehicles. A tractor or truck tractor and one (1) or more trailers and/or semitrailers.02.Nonsufficient Funds (NSF). NSF will be the abbreviation as it pertains to checks written on personal and/or business checking accounts without sufficient funds to cover the check, for payment to the department.03.Non-Reducible Load. Defined in IDAPA 39.03.01, Rules Governing Definitions Regarding Special Permits.04.Revocation of Registration. The termination of a registrant's vehicle registrations and authority to operate on Idaho highways for failure to comply with requirements specified by the Department and Idaho Code.05.Registrant. A person, firm, or corporation in whose name a vehicle or vehicles are registered, with an Idaho account number assigned by the department.06.Road Use Fee. The fee per mile paid for non-reducible vehicles or combinations of vehicles hauling non-reducible loads. The fees are based on the number of axles on the vehicle or combination of vehicles and the total gross weight, in addition to the registration fee.07.Suspension of Registration. The temporary withdrawal of a registrant's vehicle registrations and authority to operate on Idaho highways for failure to comply with requirements specified by the Department and Idaho Code.Idaho Admin. Code r. 39.02.22.010