In this subtitle, "employment" includes service performed on or in connection with an American vessel or aircraft if:
(1) the service is employment under Section 3306(c), Internal Revenue Code of 1986 (26 U.S.C. Section 3306(c)); and
(2) the operating office from which the vessel or aircraft is ordinarily and regularly directed and controlled is in this state.
Official text of the Texas Labor Code as published by the Texas Legislative Council.