{"data":{"id":"us/42-cfr-405.958","jurisdiction":"us","citation":"42 CFR 405.958","heading":"Effect of a redetermination.","body":"In accordance with section 1869(a)(3)(D) of the Act, once a redetermination is issued, it becomes part of the initial determination. The redetermination is binding upon all parties unless—\n(a) A reconsideration is completed in accordance with § 405.960 through § 405.978; or\n(b) The redetermination is revised as a result of a reopening in accordance with § 405.980.","path":["Title 42—Public Health","CHAPTER IV—CENTERS FOR MEDICARE \u0026 MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER B—MEDICARE PROGRAM","PART 405—FEDERAL HEALTH INSURANCE FOR THE AGED AND DISABLED","Subpart I—Determinations, Redeterminations, Reconsiderations, and Appeals Under Original Medicare (Part A and Part B)"],"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":"8441d6e72813beebf7ae74a768cc8170810037657e1d1517f9977763aeb4e014","source_id":"us-cfr","stale":true,"prev":"us/42-cfr-405.956","next":"us/42-cfr-405.960"},"notice":"GroundRules: Original legal text. Not legal advice."}