(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
(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
"Subsections (b)(4)...do not apply if the actor was not given effective notice under Section 30.06"
Page 41 of the above PDF.