(1) No person having any authority in the investment or disposition of the funds of a health care service contractor and no officer or director of a health care service contractor shall accept, except for the health care service contractor, or be the beneficiary of any fee, brokerage, gift, commission, or other emolument because of any sale of health care service agreements or any investment, loan, deposit, purchase, sale, payment, or exchange made by or for the health care service contractor, or be pecuniarily interested therein in any capacity; except, that such a person may procure a loan from the health care service contractor directly upon approval by two-thirds of its directors and upon the pledge of securities eligible for the investment of the health care service contractor's funds under this title.

(2) The commissioner may, by regulations, from time to time, define and permit additional exceptions to the prohibition contained in subsection (1) of this section solely to enable payment of reasonable compensation to a director who is not otherwise an officer or employee of the health care service contractor, or to a corporation or firm in which the director is interested, for necessary services performed or sales or purchases made to or for the health care service contractor in the ordinary course of the health care service contractor's business and in the usual private professional or business capacity of the director or the corporation or firm.