Except for a person described under section 7.5 of this chapter (before its expiration on December 31, 2023), a person may not register a vehicle in a county that has adopted the surtax unless the person pays the surtax due, if any, to the bureau of motor vehicles. The amount of the surtax due equals the greater of seven dollars and fifty cents ($7.50), the amount established under section 2 of this chapter, or the product of:
The bureau of motor vehicles shall collect the surtax due, if any, at the time a vehicle is registered.
IC 6-3.5-4-7