‘‘(ii) the applicable percentage of the difference
under old law to be added under subparagraph (A),
as determined, in relation to the year in which the
individual becomes eligible for old-age insurance ben-
efits, by the following table:
‘‘If the individual
The percentage of
becomes eligible for
the difference under
such benefits in:
old law to be added is:
1979 ..........................................................................
70 percent
1980 ..........................................................................
50 percent
1981 ..........................................................................
40 percent
1982 ..........................................................................
35 percent
1983 ..........................................................................
35 percent.
‘‘(C) For purposes of subparagraph (B), the term
‘difference under old law’ means, in the case of any indi-
vidual, the excess of—
‘‘(i) the applicable old law primary insurance
amount, over
‘‘(ii) the amount which would be such individ-
ual’s primary insurance amount if computed or re-
computed under this section without regard to this
paragraph and paragraphs (4), (5), and (6).
‘‘(D) For purposes of subparagraph (C)(i), the term
‘applicable old law primary insurance amount’ means, in
the case of any individual, the amount which would be
such individual’s primary insurance amount if it were—
‘‘(i) computed or recomputed (pursuant to
paragraph (4)(B)(i)) under section 215(a) as in ef-
fect in December 1978, or
‘‘(ii) computed or recomputed (pursuant to
paragraph (4)(B)(ii)) as provided by subsection (d),
(as applicable) and modified as provided by subparagraph
(E).
‘‘(E) In determining the amount which would be an
individual’s primary insurance amount as provided in sub-
paragraph (D)—
‘‘(i) subsection (b)(4) shall not apply;
‘‘(ii) section 215(b) as in effect in December
1978 shall apply, except that section 215(b)(2)(C)
(as then in effect) shall be deemed to provide that
an individual’s ‘computation base years’ may include
only calendar years in the period after 1950 (or
1936 if applicable) and ending with the calendar
year in which such individual attains age 61, plus
the 3 calendar years after such period for which the
total of such individual’s wages and self-employment
income is the largest; and
‘‘(iii) subdivision (I) in the last sentence of
paragraph (4) shall be applied as though the words
‘without regard to any increases in that table’ in
such subdivision read ‘including any increases in
that table’.
‘‘(F) This paragraph shall apply in the case of any
individual only if such application results in a primary in-
surance amount for such individual that is greater than
it would be if computed or recomputed under paragraph
(4)(B) without regard to this paragraph.’’.
SEC. 3. EFFECTIVE DATE AND RELATED RULES.
(a) APPLICABILITY OF AMENDMENTS.—
(1) IN GENERAL.—Except as provided in para-
graph (2), the amendments made by this Act shall
be effective as though they had been included or re-
flected in section 201 of the Social Security Amend-
ments of 1977.
(2) PROSPECTIVE APPLICABILITY.—No monthly
benefit or primary insurance amount under title II
of the Social Security Act shall be increased by rea-
son of such amendments for any month before the
month in which this Act is enacted.
(b) RECOMPUTATION TO REFLECT BENEFIT IN-
CREASES.—In any case in which an individual is entitled
to monthly insurance benefits under title II of the Social
Security Act for the month before the month in which this
Act is enacted, if such benefits are based on a primary
insurance amount computed—
(1) under section 215 of such Act as in effect
(by reason of the Social Security Amendments of
1977) after December 1978, or
(2) under section 215 of such Act as in effect
prior to January 1979 by reason of subsection
(a)(4)(B) of such section (as amended by the Social
Security Amendments of 1977),
the Commissioner of Social Security (notwithstanding sec-
tion 215(f)(1) of the Social Security Act) shall recompute
such primary insurance amount so as to take into account
the amendments made by this Act.
Æ