2011 Utah Code
Title 78B Judicial Code
Chapter 15 Utah Uniform Parentage Act
Section 303 Denial of paternity.

78B-15-303. Denial of paternity.
A presumed or declarant father may sign a denial of his paternity. The denial is valid only if:
(1) a declaration of paternity signed, or otherwise authenticated, by another man is filed pursuant to Section 78B-15-305;
(2) the denial is in a form prescribed by and filed with the Office of Vital Records, and is signed, or otherwise authenticated, under penalty of perjury; and
(3) the presumed or declarant father has not previously:
(a) declared his paternity, unless the previous declaration has been rescinded pursuant to Section 78B-15-306 or successfully challenged pursuant to Section 78B-15-307; or
(b) been adjudicated to be the father of the child.