Tex. Government Code § 411.0259: SUBPOENAS.

(a) In connection with an investigation of an alleged offense against public administration, the public integrity unit may issue a subpoena to compel the production, for inspection or copying, of relevant evidence that is in this state.

(b) A subpoena may be served personally or by certified mail.

(c) If a person fails to comply with a subpoena, the public integrity unit, acting through the general counsel of the department, may file suit to enforce the subpoena in a district court in this state. On finding that good cause exists for issuing the subpoena, the court shall order the person to comply with the subpoena. The court may punish a person who fails to obey the court order.

Added by Acts 2015, 84th Leg., R.S., Ch. 927 (H.B. 1690), Sec. 1, eff. September 1, 2015.