Which law was passed to authorize that NAIC to develop a standardized a model for Medicare supplement policy?

The law that authorized the National Association of Insurance Commissioners (NAIC) to develop a standardized model for Medicare supplement policies is the Omnibus Budget Reconciliation Act of 1990 (OBRA '90). This legislation aimed to provide clarity and consistency in Medicare supplement insurance, ensuring that policies offered by insurers are standardized and easily comparable for consumers. The NAIC subsequently created the Model Act to guide states in implementing these standards.