Wash. Rev. Code § 25.15.301
(2) A dissolved limited liability company may notify its known claimants of the dissolution in a record. The notice must:
(3) A known claim against a dissolved limited liability company is barred if the requirements of subsection (2) of this section are met and:
(4) For purposes of this section, "known claim" means any claim or liability that either:
(a)
[ 2015 c 188 s 59.]