Within the United States, the overwhelming majority of the states are making use of offense-primarily based registries, leaving the actual threat degree of the offender and severity of the offense unsure. Individuals are topic to these registration requirements for varying durations, based on a sliding scale of the severity of the sentence they acquired. Those on parole or probation may be topic to restrictions that do not apply to other parolees or probationers. DUWE, GRANT; DONNAY, WILLIAM (May 2008). "The Impact of Megan's Law on Sex Offender Recidivism: The Minnesota Experience". These could include (or have been proposed to incorporate) restrictions on being within the presence of underage individuals (those below the age of majority), dwelling in proximity to a faculty or day care center, proudly owning toys or objects focused in the direction of youngsters, or utilizing the Internet. Authorized police use ANCOR to watch individuals convicted of little one sex offences and other specified offences as soon as they have been released from custody, or after sentencing within the event a non-custodial sentence is imposed. In consequence, people who have been convicted of a designated offence at any time after 2001, and relocate to Ontario, are obligated to register for a period of at least 10 years.