(1) The commissioner shall have general supervision over all associations and corporations which are subject to the provisions of this chapter. He shall enforce the provisions of this chapter by use of the powers herein conferred; and he is hereby vested with the authority to require such associations and corporations to correct violations of this chapter. Upon a finding that it is necessary and appropriate to further the objective of this chapter, the commissioner may order that improper entries found on the books and records of an association be corrected.
(2) Every approval by the commissioner or the board given pursuant to the provisions of this chapter and every communication having the effect of an order or instruction to any association shall be in writing signed by the commissioner under seal and shall be sent by United States mail, postage prepaid, to the association affected thereby, addressed to the president thereof at the home office of the association.