Georgia Code Title 20. Education § 20-2-883

(1) Provide a reasonable relationship between the hospital, surgical, and medical benefits to be included and the expected distribution of expenses of each such type to be incurred by the covered employees and dependents; and

(2) Include reasonable controls, which may include deductible and coinsurance provisions applicable to some or all of the benefits, to reduce unnecessary utilization of the various hospital, surgical, and medical services to be provided and to provide reasonable assurance of stability in future years of the plan.