Tex. Nat. Res. Code § 81.153

If a citizen of this state files a civil complaint with a district court in Travis County charging an employee with use of his time or a state-owned automobile for campaign purposes or to further the candidacy of his employer or any other candidate for state office, the court shall set the complaint for hearing at a time not less than 10 nor more than 20 days after the day on which the complaint is filed.