Wash. Rev. Code § 59.24.030
(1) A three-party contract shall be required of persons participating in the rental deposit guarantee program. The parties to the contract shall be the local government or nonprofit corporation operating a shelter for homeless persons or transitional housing, the tenant, and the rental property owner. The terms of the contract shall include, but are not limited to, all of the following:
[ 1988 c 237 s 3.]