Why is there arguments about if certain signs posted in hospitals are legal or not? Isn't that what the penal code states here 
 
 
§ 46.035. UNLAWFUL CARRYING OF HANDGUN BY LICENSE 
HOLDER.  (a) A license holder commits an offense if the license 
holder carries a handgun on or about the license holder's person 
under the authority of Subchapter H, Chapter 411, Government Code, 
and intentionally fails to conceal the handgun.
	(b)  A license holder commits an offense if the license 
holder intentionally, knowingly, or recklessly carries a handgun 
under the authority of Subchapter H, Chapter 411, Government Code, 
regardless of whether the handgun is concealed, on or about the 
license holder's person:
		(1)  on the premises of a business that has a permit or 
license issued under Chapter 25, 28, 32, 69, or 74, Alcoholic 
Beverage Code, if the business derives 51 percent or more of its 
income from the sale or service of alcoholic beverages for 
on-premises consumption, as determined by the Texas Alcoholic 
Beverage Commission under Section 104.06, Alcoholic Beverage Code;
		(2)  on the premises where a high school, collegiate, 
or professional sporting event or interscholastic event is taking 
place, unless the license holder is a participant in the event and a 
handgun is used in the event;
		(3)  on the premises of a correctional facility;                              
		
(4)  on the premises of a hospital licensed under 
Chapter 241, Health and Safety Code, or on the premises of a nursing 
home licensed under Chapter 242, Health and Safety Code, unless the 
license holder has written authorization of the hospital or nursing 
home administration, as appropriate;		(5)  in an amusement park;  or                                                
		(6)  on the premises of a church, synagogue, or other
***Know guns, know peace, know safety. No guns, no peace no safety.***