Va. Code Ann. § 46.2-697.2
A. In addition to the fees imposed pursuant to § 46.2-697, there is hereby imposed an additional fee for the registration of all motor vehicles not designed and used for the transportation of passengers. The additional fee shall be determined per thousand pounds by the gross weight of the vehicle or combination of vehicles in the same manner as the fees imposed pursuant to § 46.2-697, as follows:
2019, cc. 837, 846.