Missouri Laws > § 454.1590 Missouri Laws 454.1590 – Nonparentage as defense Current as of: 2023 | Check for updates | Other versions 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 sections 454.1500 to 454.1728. Previous sectionNext section Chapter 454 Contents Ask a question, get an answer ASAP!