Washington Revised Code Title 11. Probate and Trust Law § 11.10.040. Nonprobate assets

(1) If abatement is necessary among takers of a nonprobate asset, the court shall adopt the abatement order and limitations set out in RCW 11.10.010, 11.10.020, and 11.10.030, assigning categories in accordance with subsection (2) of this section.

(2) A nonprobate transfer must be categorized for purposes of abatement, within the list of priorities set out in RCW 11.10.010(1), as follows:

(3) If and to the extent that a nonprobate asset is subject to the same obligations as are assets disposed of under the decedent's will, the nonprobate assets abate ratably with the probate assets, within the categories set out in subsection (2) of this section.

(4) If the nonprobate instrument of transfer or the decedent's will expresses a different order of abatement, or if the decedent's overall dispositive plan or the express or implied purpose of the transfer would be defeated by the order of abatement stated in subsections (1) through (3) of this section, the nonprobate assets abate as may be found necessary to give effect to the intention of the decedent.