{"data":{"id":"us/42-cfr-417.434","jurisdiction":"us","citation":"42 CFR 417.434","heading":"Reenrollment.","body":"If an HMO or CMP requires periodic reenrollment, it must reenroll Medicare enrollees unless there is a basis for disenrollment as set forth in § 417.460.","path":["Title 42—Public Health","CHAPTER IV—CENTERS FOR MEDICARE \u0026 MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER B—MEDICARE PROGRAM","PART 417—HEALTH MAINTENANCE ORGANIZATIONS, COMPETITIVE MEDICAL PLANS, AND HEALTH CARE PREPAYMENT PLANS","Subpart K—Enrollment, Entitlement, and Disenrollment under Medicare Contract"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-42.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:11Z","sha256":"beb5ba4e229d0d9bddc4ad54b0d0cf4bb63e26c4c9e38ed823bbc67f49a1d41f","source_id":"us-cfr","stale":true,"prev":"us/42-cfr-417.432","next":"us/42-cfr-417.436"},"notice":"GroundRules: Original legal text. Not legal advice."}