42 CFR 407.15 : Public Health (Part 1 To Parts 1009-1099) — (Subpart A To § 413.355) — Centers For Medicare & Medicaid Services, Department Of Health And Human Services (Subpart A To § 413.355) — Medicare Program (Subpart A To § 413.355) — Supplementary Medical Insurance (Smi) Enrollment And Entitlement (§ 407.1 To § 407.50) — Individual Enrollment And Entitlement For Smi (§ 407.10 To § 407.32) — General enrollment period.

4 Aug 2016

(a) Except as specified in paragraph (b) of this section, the general enrollment period is January through March of each calendar year.

(b) An unlimited general enrollment period existed between April 1 and September 30, 1981. Any eligible individual whose initial enrollment period had ended, or whose previous period of entitlement had terminated, could have enrolled or reenrolled during any month of that 6-month period.

42 CFR 407.15