Altering the age difference required between a victim and an offender for the crime of third degree sex offense; prohibiting specified persons from engaging in specified sexual acts with a person who is 14 or 15 years old; providing for penalties for a violation of the Act; requiring a specified person convicted of engaging in specified sexual acts with a person who is 14 or 15 years old to register on the State sex offender registry; creating a nonpublic registry database for specified persons convicted of a specified crime; etc.