Before compensation shall be allowed to any personal representative, guardian, or attorney in connection with any probate matter or proceeding, or to any receiver or an attorney for a receiver, and before any agreement therefor shall be approved, the amount of compensation claimed shall be definitely and clearly set forth in the application therefor, and all parties interested in the matter shall be given notice of the amount claimed in such manner as shall be fixed by statute, or, in the absence of statute, as shall be directed by the court; unless such application be filed with or made a part of a report or final account of such personal representative, guardian, receiver, or attorney.
Wash. Super. Ct. Spec. Proc. R. SPR 98.12W