{"data":{"id":"us/42-cfr-408.3","jurisdiction":"us","citation":"42 CFR 408.3","heading":"Definitions.","body":"As used in this part, unless the context indicates otherwise—\nEnrollee means an individual who is enrolled in the SMI program under Medicare Part B.\nTaxable year means the 12-month period (calendar or fiscal year) for which the individual files his or her income tax return.","path":["Title 42—Public Health","CHAPTER IV—CENTERS FOR MEDICARE \u0026 MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER B—MEDICARE PROGRAM","PART 408—PREMIUMS FOR SUPPLEMENTARY MEDICAL INSURANCE","Subpart A—General Provisions"],"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":"3db34179f0cde1567ee975d4d2b892c542a670c80e48e76eb683e4a40ce5ccbb","source_id":"us-cfr","stale":true,"prev":"us/42-cfr-408.2","next":"us/42-cfr-408.4"},"notice":"GroundRules: Original legal text. Not legal advice."}