An individual (or proper applicant on his/her behalf) must file an application to
be entitled under the deemed insured provision. Except as provided in this section,
the regular rules on applications apply (e.g., who may file, what constitutes an application,
The HCFA-18-F5 (Application for Hospital Insurance Entitlement) is the application
specifically designed for establishing deemed insured entitlement. However, all retirement
age applications which will be disallowed because the individual is not eligible for
such benefits may serve as an application for deemed insured HI.
NOTE: The HCFA-18-F5 is also an application for monthly RSI benefits.