RCW 68.50.170: Effect of authorization.

Any person signing any authorization for the interment, cremation, alkaline hydrolysis, or natural organic reduction of any human remains warrants the truthfulness of any fact set forth in the authorization, the identity of the person whose human remains are sought to undergo final disposition, and his or her authority to order such. That person is personally liable for all damage occasioned by or resulting from breach of such warranty.