42 C.F.R. § 407.22 Request for individual enrollment.
Title 42 - Public Health
(a) A request for enrollment is required of an individual who meets the eligibility requirements of §407.10 and desires SMI, if the individual— (1) Is not entitled to hospital insurance; (2) Has previously declined enrollment in SMI; (3) Has had a previous period of SMI entitlement which terminated; (4) Resides in Puerto Rico or outside the United States; or (5) Is enrolling or reenrolling during a special enrollment period under §407.20. (b) A request for enrollment under paragraph (a) of this section must: (1) Be signed by the individual or someone acting in his or her behalf; and (2) Be filed with SSA or CMS during the initial enrollment period, a general enrollment period, or a special enrollment period as provided in §407.20.
Title 42: Public Health
PART 407—SUPPLEMENTARY MEDICAL INSURANCE (SMI) ENROLLMENT AND ENTITLEMENT
Subpart B—Individual Enrollment and Entitlement for SMI
§ 407.22 Request for individual enrollment.