Wash. Rev. Code § 29A.68.020
Any of the following causes may be asserted by a registered voter to challenge the right to assume office of a candidate declared elected to that office, to challenge the right of a candidate to appear on the general election ballot after a primary, or to challenge certification of the result of an election on any measure:
(5) On account of illegal votes.
(a) Illegal votes include but are not limited to the following:
[ 2016 c 130 s 3; 2013 c 11 s 72; 2011 c 10 s 64; 2007 c 374 s 4; 2003 c 111 s 1702; 1983 1st ex.s. c 30 s 6; 1977 ex.s. c 361 s 101; 1965 c 9 s 29.65.010. Prior: 1959 c 329 s 26; prior: (i) Code 1881 s 3105; 1865 p 42 s 1; RRS s 5366. (ii) Code 1881 s 3109; 1865 p 43 s 5; RRS s 5370. Formerly RCW 29.65.010.]
Notice to registered poll voters—Elections by mail—2011 c 10: See note following RCW 29A.04.008.
Effective date—Severability—1977 ex.s. c 361: See notes following RCW 29A.16.040.
Civil rightsloss of: State Constitution Art. 6 s 3, RCW 29A.08.520.restoration of: RCW 9.92.066, 9.94A.637, 9.94A.885, 9.95.260, chapter 9.96 RCW.