NRS 62F.225: “Sexual offense” defined.

1. “Sexual offense” means:

(a) Sexual assault pursuant to NRS 200.366;

(b) An offense involving child sexual abuse material pursuant to NRS 200.710 to 200.730, inclusive;

(c) Lewdness with a child pursuant to NRS 201.230;

(d) An attempt or conspiracy to commit an offense listed in paragraph (a), (b) or (c), if punishable as a felony;

(e) An offense that is determined to be sexually motivated pursuant to NRS 175.547 or 207.193; or

(f) An aggravated sexual offense.

2. The term does not include an offense involving consensual sexual conduct if the victim was:

(a) An adult, unless the adult was under the custodial authority of the offender at the time of the offense; or

(b) At least 13 years of age and the offender was not more than 4 years older than the victim at the time of the commission of the offense.