14-2-603. Denial of paternity. (a) A presumed father may sign a denial of his paternity. The denial is valid only if: (i) An acknowledgment of paternity signed, or otherwise authenticated, by another man is filed pursuant to W.S. 14-2-605; (ii) The denial is in a record, and is signed, or otherwise authenticated, under penalty of perjury; and (iii) The presumed father has not previously: (A) Acknowledged his paternity, unless the previous acknowledgment has been rescinded pursuant to W.S. 14-2-607 or successfully challenged pursuant to W.S. 14-2-608; or (B) Been adjudicated to be the father of the child.
Wyoming Legal Code