{"data":{"id":"us/42-cfr-423.667","jurisdiction":"us","citation":"42 CFR 423.667","heading":"Effect of Administrator's decision.","body":"A decision by the Administrator under section § 423.666(c) is final and binding unless it is reopened and revised in accordance with § 423.668.","path":["Title 42—Public Health","CHAPTER IV—CENTERS FOR MEDICARE \u0026 MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER B—MEDICARE PROGRAM","PART 423—VOLUNTARY MEDICARE PRESCRIPTION DRUG BENEFIT","Subpart N—Medicare Contract Determinations and Appeals"],"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":"f8404449cc25cb889f5aa305c0e43403c476909cad2f222c5664aedb60d62ce8","source_id":"us-cfr","stale":true,"prev":"us/42-cfr-423.666","next":"us/42-cfr-423.668"},"notice":"GroundRules: Original legal text. Not legal advice."}