exclusive of any time during which the offender or sex offender is incarcerated or confined.
during which the offender or sex offender is not convicted of an offense for which imprisonment for more than 1 year may be imposed, is not convicted of a sexual offense, successfully completes any periods of supervised release, probation or parole, and successfully completes a sex offender treatment program certified by the State or by the Attorney General of the United States, the offender or sex offender may file a petition to reduce the period of time during which the offender or sex offender has a duty to register with the district court in whose jurisdiction the offender or sex offender resides or, if he or she is a nonresident offender or sex offender, in whose jurisdiction the offender or sex offender is a student or worker. For the purposes of this subsection, registration begins on the date that the Central Repository or appropriate agency of another jurisdiction establishes a record of registration for the offender or sex offender or the date that the offender or sex offender is released, whichever occurs later.
NRS 179D.490