Wash. Rev. Code § 41.32.520
(1) Except as specified in subsection (3) of this section, upon receipt of proper proofs of death of any member before retirement or before the first installment of his or her retirement allowance shall become due his or her accumulated contributions, less any amount identified as owing to an obligee upon withdrawal of accumulated contributions pursuant to a court order filed under RCW 41.50.670, and/or other benefits payable upon his or her death shall be paid to his or her estate or to such persons, trust, or organization as he or she shall have nominated by written designation duly executed and filed with the department. If a member fails to file a new beneficiary designation subsequent to marriage, divorce, or reestablishment of membership following termination by withdrawal, lapsation, or retirement, payment of his or her accumulated contributions, less any amount identified as owing to an obligee upon withdrawal of accumulated contributions pursuant to a court order filed under RCW 41.50.670, and/or other benefits upon death before retirement shall be made to the surviving spouse, if any; otherwise, to his or her estate. If a member had established ten or more years of Washington membership service credit or was eligible for retirement, the beneficiary or the surviving spouse if otherwise eligible may elect, in lieu of a cash refund of the member's accumulated contributions, the following survivor benefit plan actuarially reduced, except under subsection (4) of this section, by the amount of any lump sum benefit identified as owing to an obligee upon withdrawal of accumulated contributions pursuant to a court order filed under RCW 41.50.670:
(b) The beneficiary, if a surviving spouse or a dependent (as that term is used in computing the dependent exemption for federal internal revenue purposes) may elect to receive a joint and one hundred percent retirement allowance under RCW 41.32.530.
(3) If a member dies within sixty days following application for disability retirement under RCW 41.32.550, the beneficiary named in the application may elect to receive the benefit provided by:
[ 2009 c 226 s 5; 2003 c 155 s 1; 1997 c 73 s 1; 1995 c 144 s 9; 1993 c 16 s 1; 1992 c 212 s 7. Prior: 1991 c 365 s 29; 1991 c 35 s 58; 1990 c 249 s 15; 1974 ex.s. c 193 s 5; 1973 2nd ex.s. c 32 s 4; 1973 1st ex.s. c 154 s 76; 1967 c 50 s 7; 1965 ex.s. c 81 s 6; 1957 c 183 s 3; 1955 c 274 s 25; 1947 c 80 s 52; Rem. Supp. 1947 s 4995-71; prior: 1941 c 97 s 6; 1939 c 86 s 6; 1937 c 221 s 7; 1923 c 187 s 22; 1917 c 163 s 21; Rem. Supp. 1941 s 4995-7.]
Application—2003 c 155: "This act applies to any member killed in the course of employment, as determined by the director of the department of labor and industries, on or after July 1, 2001." [ 2003 c 155 s 9.]
Effective date—1997 c 73: "This act is necessary for the immediate preservation of the public peace, health, or safety, or support of the state government and its existing public institutions, and takes effect immediately [April 19, 1997]." [ 1997 c 73 s 4.]
Application—1993 c 16 s 1: "The provisions of section 1(3) of this act shall apply to all determinations of disability made after June 30, 1992." [ 1993 c 16 s 2.]
Effective date—1993 c 16: "This act is necessary for the immediate preservation of the public peace, health, or safety, or support of the state government and its existing public institutions, and shall take effect immediately [April 12, 1993]." [ 1993 c 16 s 3.]
Severability—1991 c 365: See note following RCW 41.50.500.
Intent—1991 c 35: See note following RCW 41.26.005.
Findings—1990 c 249: See note following RCW 2.10.146.
Emergency—Severability—1974 ex.s. c 193: See notes following RCW 41.32.310.
Emergency—Severability—1973 2nd ex.s. c 32: See notes following RCW 41.32.310.
Severability—1973 1st ex.s. c 154: See note following RCW 2.12.030.
Effective date—Severability—1967 c 50: See notes following RCW 41.32.010.
Effective date—Severability—1965 ex.s. c 81: See notes following RCW 41.32.010.