Health insurance; Commissioner of Insurance must approve rate filings containing an increase in premiums. An Act To Require Each Insurer Issuing Health Insurance Policies For Delivery In This State To File With The Commissioner Of Insurance Its Premium Rates And Classification Of Risks Pertaining To The Policies; To Require Approval By The Commissioner Of Insurance Before Rate Filings Containing An Increase In Premium Rates May Become Effective; And For Related Purposes.