1. Administrative rulemaking Author(s): Berry, Melissa D, author Publication: [Toronto, Ontario] : Thomson Reuters, 20-December-2021 Subject(s): Health Care Reform -- legislation & jurisprudenceHealth Insurance Exchanges -- legislation & jurisprudenceInsurance, Health -- legislation & jurisprudenceLegislation, MedicalCOVID-19Health Information InteroperabilityMedicaid -- legislation & jurisprudenceMedicare -- legislation & jurisprudenceUnited StatesUnited States. Department of Health and Human Services.United States.