{"data":{"id":"us/42-cfr-422.521","jurisdiction":"us","citation":"42 CFR 422.521","heading":"Effective date of new significant regulatory requirements.","body":"CMS will not implement, other than at the beginning of a calendar year, requirements under this part that impose a new significant cost or burden on MA organizations or plans, unless a different effective date is required by statute.","path":["Title 42—Public Health","CHAPTER IV—CENTERS FOR MEDICARE \u0026 MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER B—MEDICARE PROGRAM","PART 422—MEDICARE ADVANTAGE PROGRAM","Subpart K—Application Procedures and Contracts for Medicare Advantage Organizations"],"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":"547e4dc77d40c8df9d56171d713e8cfd70eac5b68faf021ddfa8a6450057bca5","source_id":"us-cfr","stale":true,"prev":"us/42-cfr-422.520","next":"us/42-cfr-422.524"},"notice":"GroundRules: Original legal text. Not legal advice."}