Tex. Code Crim. Proc. art. 11.12
The party for whose relief the writ of habeas corpus is intended, or any person on behalf of that party, may present an application for a writ of habeas corpus to the proper authority for the purpose of obtaining relief.
Acts 1965, 59th Leg., vol. 2, p. 317, ch. 722.
Acts 2023, 88th Leg., R.S., Ch. 933 (S.B. 1516), Sec. 7, eff. September 1, 2023.