{"data":{"id":"us/42-cfr-407.4","jurisdiction":"us","citation":"42 CFR 407.4","heading":"Basic requirements for entitlement.","body":"(a) An individual must meet the following requirements to be entitled to SMI:\n(1) Eligibility. The individual must meet the eligibility requirements specified in § 407.10(a).\n(2) Enrollment. The individual must enroll for SMI, or must be enrolled by a State under a buy-in agreement as specified in § 407.40.\n(b) SMI pays only for covered expenses incurred during an individual's period of entitlement.","path":["Title 42—Public Health","CHAPTER IV—CENTERS FOR MEDICARE \u0026 MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER B—MEDICARE PROGRAM","PART 407—SUPPLEMENTARY MEDICAL INSURANCE (SMI) ENROLLMENT AND ENTITLEMENT","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":"485d7877866abdff782b6492462850f1315cde1e8a779c0f949c194d414dc7e3","source_id":"us-cfr","stale":true,"prev":"us/42-cfr-407.2","next":"us/42-cfr-407.10"},"notice":"GroundRules: Original legal text. Not legal advice."}