{"data":{"id":"us/42-cfr-423.641","jurisdiction":"us","citation":"42 CFR 423.641","heading":"Contract determinations.","body":"This subpart establishes the procedures for reviewing the following contract determinations:\n(a) A determination that an entity is not qualified to enter into a contract with CMS under Part D of title XVIII of the Act.\n(b) A determination not to authorize a renewal of a contract with a PDP sponsor in accordance with § 423.507(b).\n(c) A determination to terminate a contract with a PDP sponsor in accordance with § 423.509.\n(d) Fallback entities are governed under subpart Q of this part, and are not subject to this subpart, except to the extent a fallback prescription drug plan contract is terminated by CMS.","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":"8ae309a67f290d3ab4fb40f2e5d27f0ebb574769208ff25228f5793d04d08820","source_id":"us-cfr","stale":true,"prev":"us/42-cfr-423.638","next":"us/42-cfr-423.642"},"notice":"GroundRules: Original legal text. Not legal advice."}