All devices or adjustments used in connection with lights upon motor vehicles to enable the same to comply with this chapter, shall not be used until approved by the chief of police or the chief of police's authorized subordinate of the county wherein the vehicle is registered.
The cost of testing any device shall be borne by the person submitting the same; provided that this cost shall not exceed the sum of $50.
No person shall drive, operate, or propel a motor vehicle without an approved device or adjustment upon its headlights unless the headlights have been tested and approved by the chief of police or the chief of police's authorized subordinate of the county wherein the vehicle is registered. The cost of testing shall be borne by the person offering the same for test as provided in this section.