407.22—Request for individual enrollment.
(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.