Synopsis As Introduced Amends the Sex Offender Registration Act. Provides that a person is required to register as a sex offender who was not previously required to register before the effective date of this amendatory Act because the sex offense that the person committed occurred before a specified date. Requires that person to register within 5 days after the effective date of this amendatory Act. Provides that if the person is confined, institutionalized, or imprisoned in Illinois on or after the effective date of this amendatory Act, he or she shall register in person with the local law enforcement agency within 5 days of discharge, parole, or release. Provides for the duration of the registration.