Section 521.101 - Applicability of Subchapter(a) Except as provided by Subsection (b), this subchapter applies to a health maintenance organization authorized to engage in the business of a health maintenance organization in this state or an insurer authorized to engage in the business of insurance in this state, including:(1) a capital stock insurance company;(2) a mutual insurance company;(3) a title insurance company;(4) a fraternal benefit society;(5) a local mutual aid association;(6) a statewide mutual assessment company;(7) a county mutual insurance company;(9) a reciprocal or interinsurance exchange;(10) a stipulated premium company;(11) a group hospital service corporation; and(12) a risk retention group.(b) This subchapter does not apply to a health maintenance organization or insurer: (1) that has gross initial premium receipts collected in this state of less than $2 million each year; or(2) with regard to fidelity, surety, or guaranty bonds.Added by Acts 2003, 78th Leg., ch. 1274, Sec. 2, eff. 4/1/2005.