§ 8341.
(d)
If an employee or Member dies after completing at least 18 months of civilian service, his widow or widower is entitled to an annuity equal to 55 percent of an annuity computed under section 8339(a)–(f), (i), (n), (p), (q), (r), and (s) as may apply with respect to the employee or Member, except that, in the computation of the annuity under such section, the annuity of the employee or Member shall be at least the smaller of—
(1)
40 percent of his average pay; or
(2)
the sum obtained under such section after increasing his service of the type last performed by the period elapsing between the date of death and the date he would have become 60 years of age.
Notwithstanding the preceding sentence, the annuity payable under this subsection to the widow or widower of an employee or Member may not exceed the difference between—
(A)
the amount which would otherwise be payable to such widow or widower under this subsection, and
(B)
the amount of the survivor annuity payable to any former spouse of such employee or Member under subsection (h) of this section.
The annuity of the widow or widower commences on the day after the employee or Member dies. This annuity and the right thereto terminate on the last day of the month before the widow or widower—
(ii)
except as provided in subsection (k), remarries before becoming 55 years of age.
([Pub. L. 89–554], Sept. 6, 1966, [80 Stat. 577]; [Pub. L. 90–83, § 1(80)], Sept. 11, 1967, [81 Stat. 216]; [Pub. L. 91–93, title II, § 206], Oct. 20, 1969, [83 Stat. 140]; [Pub. L. 91–658, § 3], Jan. 8, 1971, [84 Stat. 1961]; [Pub. L. 92–243, § 1], Mar. 9, 1972, [86 Stat. 56]; [Pub. L. 92–297, § 7(4)], May 16, 1972, [86 Stat. 145]; [Pub. L. 93–260, § 1(a)], Apr. 9, 1974, [88 Stat. 76]; [Pub. L. 94–183, § 2(36)], Dec. 31, 1975, [89 Stat. 1058]; [Pub. L. 95–317, § 1(b)], July 10, 1978, [92 Stat. 382]; [Pub. L. 95–318, § 2], July 10, 1978, [92 Stat. 384]; [Pub. L. 95–454, title IX, § 906(a)(2)], (3), Oct. 13, 1978, [92 Stat. 1224]; [Pub. L. 95–598, title III, § 338(c)], Nov. 6, 1978, [92 Stat. 2681]; [Pub. L. 96–179, § 1], Jan. 2, 1980, [93 Stat. 1299]; [Pub. L. 98–353, title I, § 112], July 10, 1984, [98 Stat. 343]; [Pub. L. 98–615, § 2(4)], Nov. 8, 1984, [98 Stat. 3199]; [Pub. L. 99–251, title II], §§ 205–207, Feb. 27, 1986, [100 Stat. 25]; [Pub. L. 99–272, title XV, § 15204(a)(2)], Apr. 7, 1986, [100 Stat. 335]; [Pub. L. 101–428, § 2(d)(7)], Oct. 15, 1990, [104 Stat. 929]; [Pub. L. 102–378, § 2(63)], Oct. 2, 1992, [106 Stat. 1354]; [Pub. L. 104–208, div. A, title I, § 101(f) [title VI, § 633(a)(1)]], Sept. 30, 1996, [110 Stat. 3009–314], 3009–362; [Pub. L. 105–61, title V], §§ 516(a)(4), 518(a), Oct. 10, 1997, [111 Stat. 1306], 1307; [Pub. L. 106–553, § 1(a)(2) [title III, § 308(h)(7)]], Dec. 21, 2000, [114 Stat. 2762], 2762A–89.)