All buses shall pay the registration fees provided in Section 66-6-4 NMSA 1978, except for school buses and buses operated by religious or nonprofit charitable organizations for the express purpose of the organization for which the annual registration fee is seven dollars ($7.00). In addition to other registration fees imposed by this section, beginning July 1, 1994, there is imposed at the time of registration an annual tire recycling fee of fifty cents ($.50) per wheel that is in contact with the ground on each vehicle subject to a registration fee pursuant to this section.
NMS § 66-6-5