Nonparentage as defense.
RCW 26.21A.270
in effectA party whose parentage of a child has been previously determined by or pursuant to law may not plead nonparentage as a defense to a proceeding under this chapter.
A party whose parentage of a child has been previously determined by or pursuant to law may not plead nonparentage as a defense to a proceeding under this chapter.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=26.21A&full=trueFetched: 6/29/2026
