Tex. Gov't Code § 437.209
Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
A military force from another state, territory, or district, except a force that is on federal orders and acting as a part of the United States armed forces, may not enter this state without the permission of the governor. The governor may delegate the powers granted by this section to the adjutant general.
Tex. Gov't. Code § 437.209