(a) A life insurance company organized under the laws of this state may not:
(1) subscribe to, or participate in, any underwriting of the purchase or sale of securities or property;
(2) enter into a transaction described by Subdivision (1) for a purpose described by Subdivision (1);
(3) sell on account of the company jointly with any other person, firm, or corporation; or
(4) enter into any agreement to withhold from sale any of the company's property.
(b) The disposition of the life insurance company's property must be at all times within the control of the company's board of directors.