The provisions of this article shall apply to all policies of group life insurance issued in this state pursuant to the provisions of Sections 10202, 10202.7, 10202.8, 10203 and 10203.7, to all group disability policies issued in this state pursuant to the provisions of Section 10270.5, to any group nonprofit hospital service contract issued in this state pursuant to the provisions of Section 11512.2, and to any self-insured welfare benefit plan issued in this state as defined in Section 10121.