N.C. Gen. Stat. § 62-289.7: Municipal licenses and taxes.

No county, city, town, municipal corporation or other unit of local government may impose a special tax on or require a special license for human service transportation or volunteer transportation other than that customarily used or imposed on private passenger automobiles unless the tax or license is provided for by a statute, ordinance, or regulation specifically addressing human service transportation or volunteer transportation. (1981, c. 792, s. 1.)