Wash. Rev. Code § 11.107.020
(1) Subject to (a) of this subsection and RCW 11.107.070, a trustee that has expanded discretion to distribute the principal of a first trust to one or more current beneficiaries may exercise the decanting power over the principal of the first trust, subject to the following:
(a) Except as provided in RCW 11.107.060, a second trust may not in an exercise of the decanting power under this section:
(b) Subject to (a)(iii) of this subsection and RCW 11.107.070, a second trust may in an exercise of the decanting power under this section:
(2) The definitions in this subsection apply throughout this section unless the context clearly requires otherwise.
(c) "Vested interest" means:
[ 2017 c 29 s 2.]