An action under this subchapter must be filed:
(1) in the county of the claimant's residence; or
(2) if the claimant is not a resident of this state, in:
(A) Travis County;
(B) the county in this state in which the claimant's last employer has its principal place of business; or
(C) the county of the claimant's last residence in this state.
Official text of the Texas Labor Code as published by the Texas Legislative Council.