Sec. 171.097.  TRANSFER.  (a)  On application of a party adverse to the party who filed the initial application, a court that has jurisdiction but that is located in a county other than as described by Section 171.096 shall transfer the application to a court of a county described by that section.
(b)  The court shall transfer the application by an order comparable to an order sustaining a plea of privilege to be sued in a civil action in a district court of a county other than the county in which an action is filed.
(c)  The party must file the application under this section:
(1)  not later than the 20th day after the date of service of process on the adverse party;  and
(2)  before any other appearance in the court by that adverse party, other than an appearance to challenge the jurisdiction of the court.
Added by Acts 1997, 75th Leg., ch. 165, Sec. 5.01, eff. Sept. 1, 1997.