Every authorized trust institution shall be under the supervision of the Bank Commissioner. The commissioner shall execute and enforce through the State Bank Department and such other agents as are now or may hereafter be created or appointed, all laws which are now or may hereafter be enacted relating to authorized trust institutions. For the more complete and thorough enforcement of the provisions of this chapter, the commissioner is hereby empowered to promulgate such rules not inconsistent with the provisions of this chapter, as may, in his or her opinion, be necessary to carry out the provisions of the laws relating to authorized trust institutions and as may be further necessary to insure safe and conservative management of an authorized trust institution under his or her supervision taking into consideration the appropriate interest of the creditors, stockholders, and the public in their relations with the authorized trust institutions. All authorized trust institutions doing business under the provisions of this chapter shall conduct their business in a manner consistent with all laws relating to authorized trust institutions and all rules and instructions that may be promulgated or issued by the commissioner.