Wash. Rev. Code § 11.95A.500
(4) Subject to subsections (2) and (3) of this section, and notwithstanding the presence of a spendthrift provision or whether the claim arose before or after the creation of the power of appointment, appointive property subject to a general power of appointment created by the powerholder is subject to a claim of a creditor of:
[ 2021 c 140 s 3501.]