RCW 26.26A.400: Proceeding to adjudicate parentage—Authorization.

(1) A proceeding may be commenced to adjudicate the parentage of a child. Except as otherwise provided in this chapter, the proceeding is governed by the rules of civil procedure.

(2) A proceeding to adjudicate the parentage of a child born under a surrogacy agreement is governed by RCW 26.26A.700 through 26.26A.785.