All contracts and policies of group life, health, accident, and hospitalization insurance or any one or more of them which have been issued prior to August 16, 1947, to any municipal corporation, county, city or county board of education or any state agency or institution of education, learning, training or correction, or for the delinquent, insane, sick, deaf, dumb, blind, needy, juvenile, or aged for the benefit of its officers and employees or any portion of them are hereby ratified, confirmed, approved, and validated.
All acts done and all premiums paid by any such municipal corporation, county, board, agency or institution in accordance with the terms of any such contract or policy are hereby ratified, confirmed, approved and validated.