Washington Revised Code Title 11. Probate and Trust Law § 11.106.030. Intermediate and final accounts--Contents--Filing

(1) The period covered by the account;

(2) The total principal with which the trustee is chargeable according to the last preceding account or the inventory if there is no preceding account;

(3) An itemized statement of all principal funds received and disbursed during such period;

(4) An itemized statement of all income received and disbursed during such period, unless waived;

(5) The balance of such principal and income remaining at the close of such period and how invested;

(6) The names and addresses of all living beneficiaries, including contingent beneficiaries, of the trust, and a statement as to any such beneficiary known to be under legal disability;

(7) A description of any possible unborn or unascertained beneficiary and his or her interest in the trust fund.

After the time for termination of the trust has arrived, the trustee or trustees may also file a final account in similar manner.