Incorporation by reference.

RCW 11.12.255
in effect
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A will may incorporate by reference any writing in existence when the will is executed if the will itself manifests the testator's intent to incorporate the writing and describes the writing sufficiently to permit its identification. In the case of any inconsistency between the writing and the will, the will controls. A will may incorporate by reference any writing in existence when the will is executed if the will itself manifests the testator's intent to incorporate the writing and describes the writing sufficiently to permit its identification. In the case of any inconsistency between the writing and the will, the will controls.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=11.12&full=trueFetched: 6/28/2026

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