D-HI should be established in accordance with the following rules:
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If the individual was entitled to DIB within 5 years (60 months) before the month
of current onset (i.e., no DIB waiting period would have been required had section
332 been in effect at the time), all months beginning with the first month throughout
which the individual was disabled up to and including 4/83 are deemed to be months
of DIB entitlement. Also, months in the prior period may be counted in determining
when the 24-month D-HI qualifying period requirement is met. D-HI begins with the
person's 25th month of deemed and actual entitlement to DIB but no earlier than 5/1/83.
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If current onset is more than 5 years after a prior period of DIB entitlement, the
individual must begin a new 24-month D-HI qualifying period. Also, since a new 5-month
DIB waiting period would have been required had section 332 been in effect prior to
5/1/83, the first month of deemed entitlement is the sixth month throughout which
the individual is under a disability. D-HI begins with the first day of the 30th month
throughout which the individual was under a disability, but no earlier than 5/1/83.
Although Medicare could not be established prior to 5/1/83, months prior to 5/83 in
which the individual was disabled and would have been entitled to DIB had section
332 been in effect prior to 5/1/83 may be deemed to be months of DIB entitlement for
purposes of determining when the 24-month D-HI qualifying period requirement was met.