(a) A stipulated premium company that issues any insurance coverage under this subchapter shall maintain at all times the capital and unencumbered surplus required under Section 884.054.
(b) A stipulated premium company that does not comply with this section is considered to be impaired unless it reinsures all insurance coverages written under this subchapter with a company that:
(1) is authorized to engage in the business of insurance in this state under this chapter or Chapter 841 or 882 or is an accident insurance company, health insurance company, or life insurance company authorized to engage in the business of insurance in this state under Chapter 982, as appropriate; and
(2) complies with the requirements prescribed by this subchapter.