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 part.
Ca. Fam. Code § 5700.315
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 part.
Ca. Fam. Code § 5700.315