Computation of spouse and survivor annuities

The amount of the annuity of a spouse of an individual provided under subsection (a) of this section shall be increased by an amount equal to 45 per centum of that portion of the individual’s annuity as is computed under subsection (b) of section 231b of this title: Provided, however, That if the spouse is entitled to an annuity amount provided by subsection (e)(1) or (e)(2) of this section, the amount of such spouse’s annuity provided by the preceding provisions of this subsection shall be reduced by the amount by which the amount computed in accordance with the provisions of clause (C) of subsection (e)(1) or (e)(2) of this section was increased by the Social Security Amendments of 1965, 1967, and 1969, disregarding (A) the amount of any such increase resulting from the Social Security Amendments of 1967 equal to, or less than, the excess of $5 over 5.8 per centum of the lesser of (i) the amount computed under clause (C) of subsection (e)(1) or (e)(2) of this section before any increases derived from legislation enacted after the Social Security Amendments of 1967 or (ii) the amount of the spouse’s annuity to which such spouse would have been entitled under section 2(e) of the Railroad Retirement Act of 1937 [45 U.S.C. 228b(e)], without regard to section 3(a)(2) of that Act [45 U.S.C. 228c(a)(2)] or to increases derived from legislation enacted after 1968 and before any reduction on account of age, on the basis of the individual’s compensation and years of service prior to January 1, 1975, and (B) the amount of any such increase resulting from the Social Security Amendments of 1969 equal to, or less than, $5: Provided further, That if the spouse is entitled to an annuity under section 231a(a)(1) of this title, the amount of the annuity of such spouse under this subsection shall,22 So in original. The comma probably should not appear. be increased by an amount equal to the amount by which the amount of the annuity of such spouse provided under subsection (a) of this section was reduced by reason of the provisions of subsection (i)(2) of this section (disregarding, for this purpose, any increase in such reduction which becomes effective after the later of the date such spouse’s annuity under section 231a(c) of this title began to accrue or the date such spouse’s annuity under section 231a(a)(1) of this title began to accrue). The Board shall have the authority to approximate the amount of any reduction prescribed by the first proviso of this subsection. For purposes of this subsection— The amount of the annuity provided under subsection (f)(1) (other than the last sentence thereof) for a survivor of a deceased individual shall be increased by an amount equal to the appropriate one of the following percentages of that portion of the annuity computed under section 231b(b) of this title, before any reduction on account of age and without regard to any reduction under section 231b(g)(2) of this title, to which such deceased individual would have been entitled for the month such survivor’s annuity under section 231a(d) of this title began to accrue if such individual were living (deeming for this purpose that if such individual died before becoming entitled to an annuity under section 231a(a)(1) of this title, such individual became entitled to an annuity under subdivision (i) of such section 231a(a)(1) of this title in the month in which such individual died): Whenever the total amount of the increases based on the deceased individual’s portion of the annuity under section 231b(b) of this title as determined under subdivision (1) of this subsection for all survivors of a deceased employee is— For the purposes of this subdivision, the widow or widower’s initial minimum amount is the amount of the unreduced annuity computed at the time an annuity is awarded to that widow or widower, except that—