Washington Revised Code Title 11. Probate and Trust Law § 11.130.230. Duties of guardian for minor

(a) Be personally acquainted with the minor and maintain sufficient contact with the minor to know the minor's abilities, limitations, needs, opportunities, and physical and mental health;

(b) Take reasonable care of the minor's personal effects and bring a proceeding for a conservatorship or protective arrangement instead of conservatorship if necessary to protect other property of the minor;

(c) Expend funds of the minor which have been received by the guardian for the minor's current needs for support, care, education, health, safety, and welfare;

(d) Conserve any funds of the minor not expended under (c) of this subsection for the minor's future needs, but if a conservator is appointed for the minor, pay the funds at least quarterly to the conservator to be conserved for the minor's future needs;

(e) Report the condition of the minor and account for funds and other property of the minor in the guardian's possession or subject to the guardian's control, if ordered by the court on its own motion or on application of a person interested in the minor's welfare;

(f) Inform the court of any change in the minor's dwelling or address; and

(g) In determining what is in the minor's best interest, take into account the minor's preferences to the extent actually known or reasonably ascertainable by the guardian.