A policy of group life insurance shall not be issued or delivered in this State nor, except as otherwise provided in Section 10205.5, shall an insurer provide or agree to provide group life coverage until a copy of the form of the policy is filed with the commissioner and approved by him. Except as provided in Section 10211, such policy shall not be so issued or delivered unless it contains in substance the provisions set forth in Sections 10206 to 10210 hereof.