{"data":{"id":"us-wa/rcw-26.21a.270","jurisdiction":"us-wa","citation":"RCW 26.21A.270","heading":"Nonparentage as defense.","body":"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.","path":["Title 26","Chapter 26.21A"],"source_url":"https://app.leg.wa.gov/rcw/default.aspx?cite=26.21A.270","current_through":"July 15, 2026","vintage":"","retrieved_at":"2026-09-06T00:42:38Z","sha256":"9f1b9f374ece88a054880b32005792d6c8d92759a1939f8f0f1e4a885b838110","source_id":"us-wa","stale":false,"prev":"us-wa/rcw-26.21a.265","next":"us-wa/rcw-26.21a.275"},"notice":"GroundRules: Original legal text. Not legal advice."}