"Grace Period: A grace period of .... (insert a number not less than 7 for weekly premium policies, 10 for monthly premium policies, and 31 for all other policies) days will be granted for the payment of each premium falling due after the first premium, during which grace period the policy must continue in force."
"Unless not less than 30 days prior to the premium due date the insurer has delivered to the insured or has mailed to the insured's last address as shown by the records of the insurer written notice of its intention not to renew this policy beyond the period for which the premium has been accepted."
§ 33-22-206, MCA