Amend CSSB 1952 by adding the following sections, 
appropriately numbered, and renumbering subsequent sections 
appropriately:
	SECTION ____.  Subsection (a), Section 547.302, 
Transportation Code, is amended to read as follows:
	(a)  A vehicle shall display each lighted lamp and 
illuminating device required by this chapter to be on the vehicle:
(1)  at nighttime; [and]                                       
(2)  when light is insufficient or atmospheric 
conditions are unfavorable so that a person or vehicle on the 
highway is not clearly discernible at a distance of 1,000 feet 
ahead; or
(3)  when, because of moisture, rain, snow, or other 
obstructions caused by unfavorable atmospheric conditions 
resulting in substantially reduced visibility, the operator of the 
vehicle is making use of the vehicle's windshield wipers.
	SECTION ____.  Section 547.603, Transportation Code, is 
amended to read as follows:
	Sec. 547.603.  WINDSHIELD WIPERS REQUIRED.  A motor vehicle 
shall be equipped with a device that is operated or controlled by 
the operator of the vehicle and that cleans moisture, rain, snow, or 
other obstructions from the windshield.  The device shall be 
maintained in good working condition.