Nevada Jury Instructions
CONCLUSIVE PRESUMPTION; JURY QUESTION AS TO EXISTENCE OF BASIC FACTS
If you find by a preponderance of the evidence that (insert controverted basic facts), then you must also find that (insert presumed fact).
If you do not find by a preponderance of the evidence that (insert controverted basic facts), then you must find that (insert nonexistence of presumed fact).
NEV. J.I. 3.02