(a) The banking commissioner may close and liquidate a state bank on finding that:
(1) the interests of the bank's depositors and creditors are jeopardized by the bank's insolvency or imminent insolvency; and
(2) the best interests of depositors and creditors would be served by requiring that the bank be closed and its assets liquidated.
(b) A majority of the bank's directors may voluntarily close the bank and place it with the banking commissioner for liquidation.