(a) The filing of a suit under this chapter against a governmental unit constitutes an irrevocable election by the plaintiff and immediately and forever bars any suit or recovery by the plaintiff against any individual employee of the governmental unit regarding the same subject matter.
(b) The filing of a suit against any employee of a governmental unit constitutes an irrevocable election by the plaintiff and immediately and forever bars any suit or recovery by the plaintiff against the governmental unit regarding the same subject matter unless the governmental unit consents.
(c) The settlement of a claim arising under this chapter shall immediately and forever bar the claimant from any suit against or recovery from any employee of the same governmental unit regarding the same subject matter.
(d) A judgment against an employee of a governmental unit shall immediately and forever bar the party obtaining the judgment from any suit against or recovery from the governmental unit.
(e) If a suit is filed under this chapter against both a governmental unit and any of its employees, the employees shall immediately be dismissed on the filing of a motion by the governmental unit.
(f) If a suit is filed against an employee of a governmental unit based on conduct within the general scope of that employee's employment and if it could have been brought under this chapter against the governmental unit, the suit is considered to be against the employee in the employee's official capacity only. On the employee's motion, the suit against the employee shall be dismissed unless the plaintiff files amended pleadings dismissing the employee and naming the governmental unit as defendant on or before the 30th day after the date the motion is filed.