(a) Except as otherwise provided by this section, a party must file the initial application:
(1) in the county in which an adverse party resides or has a place of business; or
(2) if an adverse party does not have a residence or place of business in this state, in any county.
(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.
(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.
(d) Consistent with § 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.