Texas Civil Practice and Remedies Code - CIV PRAC & REM § 171.096. Place of Filing

(a) Except as otherwise provided by this section, a party must file the initial application:

(b) If the agreement to arbitrate provides that the hearing before the arbitrators is to be held in a county in this state, a party must file the initial application with the clerk of the court of that county or with the clerk of the business court.

(c) If a hearing before the arbitrators has been held, a party must file the initial application with the clerk of the court of the county in which the hearing was held or with the clerk of the business court.

(d) Consistent with Section 171.024, if a proceeding is pending in a court relating to arbitration of an issue subject to arbitration under an agreement before the filing of the initial application, a party must file the initial application and any subsequent application relating to the arbitration in that court.

(e) An initial application filed in the business court must plead facts to establish venue in a county in a division of the business court as provided by Subsection (a)(1) or (2), (b), or (c), as applicable.