The annual fee for registration of a motor bus shall be based on the actual weight of such bus, plus passenger carrying capacity at 150 pounds per person, and shall be $2.40 per 100 pounds of such weight, except for motor buses registered under section 372a or 376 of this title. Fractions of a hundred-weight shall be disregarded. The minimum fee for the registration of any motor bus shall be $43.00.
23 V.S.A. § 372