Tex. Gov't Code § 432.011

A person subject to this chapter charged with an offense under this chapter shall be ordered into arrest or confinement, as circumstances may require, but if charged with only an offense normally tried by a summary court-martial, the person may not ordinarily be placed in confinement. If a person subject to this chapter is placed in arrest or confinement before trial, immediate steps shall be taken to inform the person of the specific wrong of which the person is accused and to try the person or to dismiss the charges and release the person. A person confined other than in a guardhouse, whether before, during, or after trial by a military court, shall be confined in a civilian jail.