(1) for cause which would have been grounds for nonacceptance of the risk under the program had the cause been known to the plan at the time of acceptance;
(2) for nonpayment of premium; or
(3) with the approval of the governing board.
Except as otherwise required under subdivision 4 or 5, at least 15 days' notice of cancellation together with a statement of the reason therefor shall be sent to the insured with a copy sent to the commissioner.
Any cancellation notice or notice of refusal to renew to the insured shall be accompanied by a statement that the insured has a right of appeal as hereinafter provided.