Any policy terminating by its terms at a specified expiration date and not otherwise renewable, may be renewed or extended at the option of the insurer and upon a currently authorized policy form and at the premium rate then required therefor for a specified additional period or periods by a certificate or other endorsement of the policy, and without requiring issuance of a new policy. [1969, c. 132, §1(NEW).]
24-A M.R.S. § 2421