Nev. Rev. Stat. § 125C.240
1. A determination by the court after an evidentiary hearing and finding by clear and convincing evidence that either parent or any other person seeking custody of a child has committed any act of abduction against the child or any other child creates a rebuttable presumption that sole or joint custody or unsupervised visitation of the child by the perpetrator of the abduction is not in the best interest of the child. If the parent or other person seeking custody does not rebut the presumption, the court shall not enter an order for sole or joint custody or unsupervised visitation of the child by the perpetrator and the court shall set forth:
2. For purposes of subsection 1, any of the following acts constitute conclusive evidence that an act of abduction occurred:
(Added to NRS by 2009, 225)