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 $2.00 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. (Amended 1981, No. 87, § 13; 1989, No. 51, § 23; 2009, No. 50, § 74; 2015, No. 159 (Adj. Sess.), § 21.)