System updates will be applied on February 19, 2026 at 6:00 PM. These updates will include changes to the user interface. Work is expected to take approximately 30 minutes to complete, during which the site will be unavailable.

	
Amend CSSB 310 as follows:                                                   
	(1)  In SECTION 3 of the bill, in added Subsection (b), 
Section 607.052, Government Code, strike Subdivision (4) 
(committee printing page 1, lines 62-63, and page 2, lines 1-3) and 
substitute the following:
		(4)  if the disease or illness for which benefits or 
compensation is sought is known to be caused by the use of tobacco:
			(A)  the firefighter or emergency medical 
technician is or has been a user of tobacco; or
			(B)  the firefighter's or emergency medical 
technician's spouse has, during the marriage, been a user of 
tobacco that is consumed through smoking.
	(2)  In SECTION 3 of the bill, in added Section 607.052, 
Government Code, add Subsection (h) (committee printing page 2, 
between lines 19 and 20) to read as follows:
	(h)  Subsection (b)(4) only prevents the application of the 
presumption authorized by this subchapter and does not affect the 
right of a firefighter or emergency medical technician to provide 
proof, without the use of that presumption, that an injury or 
illness occurred during the course and scope of employment.