Washington Revised Code Title 11. Probate and Trust Law § 11.44.025. Additional inventory and appraisement--Copy distribution

Whenever any property of the estate not mentioned in the inventory and appraisement comes to the knowledge of a personal representative, the personal representative shall cause the property to be inventoried and appraised and shall make and verify by affidavit a true inventory and appraisement of the property within thirty days after the discovery thereof, unless a longer time shall be granted by the court, and shall provide a copy of the inventory and appraisement to every person who has properly requested a copy of the inventory and appraisement under RCW 11.44.015(2).