In addition to investments otherwise excluded under this article, a life insurer may not directly or indirectly invest in or lend its funds on the security of: an investment or security that the Commissioner finds is designed to evade a prohibition of this article; or issued shares of the life insurer’s capital stock, except: for the purpose of mutualization under Title 3, Subtitle 1 of this article; or in connection with a plan approved by the Commissioner for purchase of the shares by employees or insurance producers of the life insurer. A life insurer may not directly or indirectly make a loan to an officer or director of the life insurer, except: a policy loan; or a bona fide mortgage loan on the principal residence of the officer or director that has been approved or ratified by the board of directors of the life insurer.