I just demonstrated how it allows open carry.
It does not allow OC. a CHL with a handgun who is also OCing will not trigger the loss of license. But a CHL OCing is in violation of their 30.05 notice and is at risk of 30.05.
(4) who possesses a concealed handgun of the same category the person is licensed to carry under Subchapter H, Chapter 411, Government Code, unless the person is on the premises of a business described by Section 46.035(b)(1), Penal Code.