The Attorney General is hereby authorized to pay reasonable medical expenses, not to exceed three thousand dollars ($3,000), incurred within one year from the date of accident to or for each pupil who sustains bodily injury or death caused by accident, while boarding, riding on, or alighting from a school bus operated by any local school administrative unit. (1955, c. 1372, art. 22, s. 1; 1981, c. 423, s. 1; c. 576, s. 1; 1998-212, s. 9.17(a).)