Gov't Code Section 301.027
Prosecution for Contempt of Legislature
(a)If a person is summoned by either house or any legislative committee as prescribed by Section 301.024 (Process) and fails to appear, refuses to answer relevant questions, or fails to produce required books, papers, records, or documents while the legislature is in session, the fact of the failure may be reported to either house. If the legislature is not in session, a statement of facts concerning the failure may be reported to and filed with the president of the senate or speaker of the house.
(b)If the president of the senate or speaker receives a report or statement of facts as provided by Subsection (a), the president of the senate or speaker shall certify the statement of facts to the appropriate prosecuting attorney as provided under Section 411.0253 (Public Integrity Unit)(d) under the seal of the senate or house of representatives, as appropriate.
(c)The prosecuting attorney to whom a statement of facts is certified under Subsection (a) or the prosecutor selected under Section 411.0255 (Disqualification of Prosecuting Attorney or Judge; Selection of Prosecuting Attorney by Presiding Judge of Administrative Judicial Region), if applicable, shall bring the matter before the grand jury for action. If the grand jury returns an indictment, the prosecuting attorney shall prosecute the indictment.
Section 301.027 — Prosecution for Contempt of Legislature,
https://statutes.capitol.texas.gov/Docs/GV/htm/GV.301.htm#301.027 (accessed Dec. 2, 2023).