At any time the board of directors of a domestic insurer may, by resolution, provide that in the event of a national emergency and in the event of the death or incapacity of the president, the secretary, or the treasurer of the insurer, the officers, or any of them, shall be succeeded in the office by the person named or described in a succession list adopted by the board of directors. The list may be on the basis of named persons or position titles, must establish the order of priority, and may prescribe the conditions under which the powers of the office shall be exercised.