Tex. Codes » Family Code · TITLE 5. THE PARENT-CHILD RELATIONSHIP AND THE SUIT AFFECTING THE PARENT-CHILD RELATIONSHIP · SUBTITLE B. SUITS AFFECTING THE PARENT-CHILD RELATIONSHIP · CHAPTER 159. UNIFORM INTERSTATE FAMILY SUPPORT ACT
Texas Codes

Tex. Fam. Code § 159.315 (2026)

Nonparentage As Defense

✓ current as of May 2026
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Sec. 159.315. NONPARENTAGE AS DEFENSE. A party whose parentage of a child has been previously determined by or under law may not plead nonparentage as a defense to a proceeding under this chapter.

Added by Acts 1995, 74th Leg., ch. 20, Sec. 1, eff. April 20, 1995.

Notes of Decisions
Cited in 6 cases, 2001–2005 · leading case: in the Interest of J.I.Z., a Minor Child, 170 S.W.3d 881 (Tex. App. 2005).
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in the Interest of J.I.Z., a Minor Child, 170 S.W.3d 881 (Tex. App. 2005). “” tex. Fam. Code Ann. § 159.315 (Vernon 2002); see id.”
In the Interest of T.S.S., 61 S.W.3d 481 (Tex. App. 2001). “—San Antonio 1996, writ denied)(non-parentage not defense to Uniform Interstate Family Support Act action if party’s parentage previously determined); Tex. Fam.Code Ann. § 159.315 (same). These holdings in the face of DNA evidence contrast with the situation where parentage was…”
In the Interest of R.J.P., a Child, 179 S.W.3d 181 (Tex. App. 2005). “) (holding parents of deceased worker were barred from relitigating a paternity finding in divorce decree which found their son had fathered a son during his marriage); see also Tex. Fam.Code Ann. § 159.315 (Vernon 2002) (providing that “[a] party whose parentage of a child has…”
In Re Rjp, 179 S.W.3d 181 (Tex. App. 2005). “) (holding parents of deceased worker were barred from relitigating a paternity finding in divorce decree which found their son had fathered a son during his marriage); see also TEX. FAM.CODE ANN. § 159.315 (Vernon 2002) (providing that "[a] party whose parentage of a child has…”
In Re Tss, 61 S.W.3d 481 (Tex. App. 2001). “-San Antonio 1996, writ denied)(nonparentage not defense to Uniform Interstate Family Support Act action if party's parentage previously determined); Tex. Fam.Code Ann. § 159.315 (same). These holdings in the face of DNA evidence contrast with the situation where parentage was…”
In Re Jiz, 170 S.W.3d 881 (Tex. App. 2005). “" TEX. FAM. CODE ANN. § 159.315 (Vernon 2002); see id.”
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