For purposes of this subchapter, any person who controls a domestic insurer is considered to be a domestic insurer unless:
(1) the assets of all insurance subsidiaries of the person are equal to less than 20 percent of the person's consolidated assets;
(2) the gross revenues, including investment income, of all insurance subsidiaries of the person are equal to less than 20 percent of the person's consolidated gross revenues; and
(3) the shareholders' equity of all insurance subsidiaries of the person is equal to less than 20 percent of the person's consolidated shareholders' equity.