Section 7.1410 and § 7.1411 of this title (relating to Service of Process on Commissioner on Behalf of Unauthorized Persons or Insurers; and Service of Process, Notice, Order, or Pleading on Secretary of State on Behalf of Unauthorized Persons and Insurers) do not limit or abridge the right to serve process, notice, or other pleading or demand on any person or insurer in any other manner provided by law.
28 Tex. Admin. Code § 7.1412