1. (a) All official vehicle inspection stations that inspect passenger cars, trucks, truck tractors, and buses will inspect the sunscreening using an approved metering device on all 1988 or newer vehicles.
2. (b) The official vehicle inspection station will inspect all front side windows to the immediate left and right of the driver which open so that a one-piece metering device approved by the department may be used and reject if the light transmittance is less than 20%.

3. (c) The official vehicle inspection station will inspect glass coating or sunscreening devices on windshields and reject if:

   1. (1) it extends downward past the AS-1 line or more than five inches; or
   2. (2) it is red or amber in color.
4. (d) All official vehicle inspection stations will calibrate each metering device daily and will check calibration after a vehicle fails and before rejecting the vehicle.
5. (e) This section does not apply to government stations or fleet stations which have provided the department annual written certification that the governmental entity or fleet station has no vehicles equipped with a sunscreening device.
6. (f) This section does not apply to a vehicle that is maintained by a law enforcement agency and used for law enforcement purposes.
7. (g) The effective date for implementation of the section will be January 1, 1994.

Source Note:The provisions of this §23.42 adopted to be effective January 27, 1993, 18 TexReg 198; amended to be effective July 3, 1995, 20 TexReg 4410; amended to be effective April 23, 1996, 21 TexReg 3213.