TexasCHLforum.com

While a non-compliant sign for 30.06 can be ignored (concealed is concealed)

A non-compliant sign for 30.07 is hard to ignore as if the business doesn't want open carry, it's kind of hard for them not to see it

With that, if I see an invalid 30.07, and I want to enter, I will be covering up prior to going in.
Last thing I want is to be told "no guns here" as that would also be notice for concealed carry.