RCW 11.100.010: Provisions of chapter to control—Alteration by controlling instrument.

Any corporation, association, or person handling or investing trust funds as a fiduciary shall be governed in the handling and investment of such funds as in this chapter specified. A fiduciary who invests and manages trust assets owes a duty to the beneficiaries of the trust to comply with requirements of this chapter. The specific requirements of this chapter may be expanded, restricted, eliminated, or otherwise altered by provisions of the controlling instrument.