Tex. Insurance Code § 424.062

Sec. 424.062. AUTHORIZED INVESTMENTS: CERTAIN OBLIGATIONS OF PARTNERSHIP OR CORPORATION. (a) Except as provided by this section, an insurer may invest the insurer's funds in excess of minimum capital and surplus in a stock, bond, debenture, bill of exchange, evidence of indebtedness, other commercial note or bill, or security of any partnership or dividend-paying corporation that:

(1) is incorporated under the laws of the United States, this state, another state, Canada, or a province of Canada;

(2) is solvent at the time of the investment; and

(3) has not defaulted in the payment of any of the partnership's or corporation's obligations during the five years preceding the date of the investment.

(b) Except as provided by Subsection (d), an insurer may invest the insurer's funds in excess of minimum capital and surplus, and all reserves required by law, in a stock, bond, or debenture of any solvent corporation that is incorporated under the laws of the United States, this state, another state, Canada, or a province of Canada.

(c) Funds invested under Subsection (a) may not be invested in the stock of an oil, manufacturing, or mercantile corporation unless the corporation has, at the time of the investment:

(1) a net worth of at least $250,000, if the corporation is organized under the laws of this state; or

(2) a combined capital, surplus, and undivided profits of at least $2.5 million, if the corporation is not organized under the laws of this state.

(d) An insurer may not invest the insurer's funds in:

(1) the insurer's own stock or in any stock on account of which the holders or owners of the stock may be liable for an assessment other than taxes; or

(2) any stock, bond, or other security issued by a corporation with respect to which a majority of the stock having voting powers is directly or indirectly owned by or for the benefit of an officer or director of the insurer, unless the insurer has been in continuous operation for at least five years.