(a) This subchapter and rules adopted to interpret and implement this subchapter apply to all domestic insurance companies as defined in § 841.001 and to other insurance companies specifically made subject to this subchapter, including a stipulated premium company that elects under § 884.311 to be governed by this subchapter.
(b) Subchapter D does not apply to an insurance company to which this subchapter applies.

(c) This subchapter does not limit or restrict investments in or transactions with or within subsidiaries and affiliates made under Chapter 823.