The commission may enter into arrangements with an appropriate agency of another state or a federal agency under which an individual performing services in this and one or more other states for an employing unit is considered to be engaged in employment entirely in:
(1) this state;
(2) one of the other states in which the individual performs some of the services;
(3) the state of the individual's residence; or
(4) the state in which the employing unit maintains a place of business.
Official text of the Texas Labor Code as published by the Texas Legislative Council.