Wash. Rev. Code § 41.24.180
The board of trustees of any municipal corporation shall direct payment from the principal fund in the following cases:
(2) If any participant who has not completed at least ten years of service dies without having requested a lump sum payment under subsection (1) or (3) of this section, there shall be paid to the participant's surviving spouse, or if there be no surviving spouse, then to such participant's legal representatives, a lump sum amount equal to the amount paid into the fund by the participant. If any participant who has completed at least ten years of service dies other than as the result of injuries received or sickness contracted in consequence or as the result of the performance of his or her duties, without having requested a lump sum payment under subsection (1) or (3) of this section and before beginning to receive the monthly pension provided for in this chapter, the participant's surviving spouse shall elect to receive either:
[ 1999 c 148 s 17; 1989 c 91 s 5; 1975-'76 2nd ex.s. c 76 s 3; 1974 ex.s. c 26 s 1. Prior: 1973 1st ex.s. c 170 s 3; 1973 1st ex.s. c 154 s 75; 1961 c 57 s 3; 1945 c 261 s 18; Rem. Supp. 1945 s 9578-22.]
Effective date—1989 c 91: See note following RCW 41.24.010.
Effective date—1973 1st ex.s. c 170: See note following RCW 41.24.030.
Severability—1973 1st ex.s. c 154: See note following RCW 2.12.030.
Conversion of death benefits to lump sum: RCW 41.24.160.