then the commissioner may, by an order in writing addressed to the board of directors, board of trustees, attorney in fact, partners, or owners of or in any such insurance company, to direct the discontinuance of any such illegal, unauthorized, or unsafe practice, the restoration of an impairment to the capital or the surplus fund, or the compliance with any such law, order, or rule of the department or commissioner. The order shall be mailed to the last known principal office of the insurance company by certified or registered mail or delivered to an officer of the company and shall be considered to be received by the insurance company three (3) days after mailing or on the date of delivery.
IC 27-1-3-19