Section 78B-15-304 - Rules for declaration and denial of paternity(1) A declaration of paternity and a denial of paternity shall be contained in a single document. If the declaration and denial are both necessary, neither is valid until both are signed and filed.(2) A declaration of paternity or a denial of paternity may not be signed before the birth of the child.(3) Subject to Subsection (1), a declaration of paternity or denial of paternity takes effect on the birth of the child or the filing of the document with the Office of Vital Records, whichever occurs later.(4) A declaration of paternity or denial of paternity signed by a minor and by the minor's parent or legal guardian is valid if it is otherwise in compliance with this chapter.Renumbered and Amended by Chapter 3, 2008 General Session .