Tex. Gov't Code § 431.115
Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
The governor by proclamation may declare any portion of the state where state military forces are serving in aid of the civil authority to be in a state of insurrection, if the governor determines that law and order will be promoted by the declaration.
Tex. Gov't. Code § 431.115