(a) Except as provided by a statute described by this subsection, the provisions of this code governing a foreign entity apply to a foreign entity registered or granted authority to transact business in this state under:
(1) a special statute that does not contain a provision regarding a matter provided for by this code with respect to a foreign entity; or
(2) another statute that specifically provides that the general law for the granting of a registration or certificate of authority to the foreign entity to transact business in this state supplements the special statute.
(b) Except as provided by a special statute described by Subsection (a), a document required to be filed with the secretary of state under the special statute must be signed and filed in accordance with Chapter 4.