PUBLIC LAW 89-554-SEPT. 6, 1966
(f) If an annuitant dies, annuity accrued and unpaid shall be paid. (g) Annuity accrued and unpaid on the termination, except by death, of the annuity of an annuitant or survivor annuitant shall be paid to that individual. Annuity accrued and unpaid on the death of a survivor annuitant shall be paid in the following order of precedence, and the payment bars recovery by any other person: First, to the duly appointed executor or administrator of the estate of the survivor annuitant. Second, if there is no executor or administrator, payment may be made, after 30 days from the date of death of the survivor annuitant, to such next of kin of the survivor annuitant as the Commission determines to be entitled under the laws of the domicile of the survivor annuitant at the date of his death, (h) Amounts deducted and withheld from the basic pay of an employee or Member from the first day of the first month which begins after he has performed sufficient service (excluding service which the employee or Member elects to eliminate for the purpose of annuity computation under section 8339 of this title) to entitle him to the maximum annuity provided by section 8339 of this title, together with interest on the amounts at the rate of 3 percent a year compounded annually from the date of the deductions to the date of retirement or death, shall be applied toward any deposit due under section 8334 of this title, and any balance not so required is deemed a voluntary contribution for the purpose of section 8343 of this title, (i) An employee who— (1) is separated from the service before July 12, 1960; and (2) continues in the service after July 12, 1960, without break in service of 1 workday or more; is entitled to the benefits of subsection (h) of this section. §8343. Additional annuities; voluntary contributions (a) Under regulations prescribed by the Civil Service Commission, an employee or Member may voluntarily contribute additional sums in multiples of $25, but the total may not exceed 10 percent of his basic pay for creditable service after July 31, 1920. The voluntary contribution account in each case is the sum of unrefunded contributions, plus interest at 3 percent a year compounded annually to— (1). the date of payment under subsection (d) of this section, separation, or transfer to a position not within the purview of this subchapter, whichever is earliest; or (2) the commencing date fixed for a deferred annuity or date of death, whicliever is earlier, in the case of an individual who is separated with title to deferred annuity and does not claim the voluntary contribution account. (b) The voluntary contribution account is used to purchase at retirement an annuity in addition to the annuity otherwise provided. For each $100 in the voluntary contribution account, the additional annuity consists of $7, increased by 20 cents for each full year, if any, the employee or Member is over 55 years of age at the date of retirement. (c) A retiring employee or Member may elect a reduced additional annuity instead of the additional annuity described by subsection (b) of this section and designate in writing an individual to receive after his death an annuity of 50 percent of his reduced additional annuity. The additional annuity of the employee or Member making the election is reduced by 10 percent, and by 5 percent for each full 5 years the individual designated is younger than the retiring employee or Member. However, the total reduction may not exceed 40 percent.