An insurer may not, directly or indirectly:
(a) Invest in an obligation or security or make a guarantee for the benefit of or in favor of an officer or director of the insurer, except as provided in section six of this article;
(b) Invest in an obligation or security, make a guarantee for the benefit of or in favor of, or make other investments in a business entity of which ten percent or more of the voting securities or equity interests are owned directly or indirectly by or for the benefit of one or more officers or directors of the insurer, except as authorized in article twenty-seven of this chapter or provided in section six of this article;
(c) Engage on its own behalf or through one or more affiliates in a transaction or series of transactions designed to evade the prohibitions of this article;
(d) Invest in a partnership as a general partner, except that an insurer may make an investment as a general partner:
(1) If all other partners in the partnership are subsidiaries of the insurer;