1994
The Jacob Wetterling Crimes Against Children and Sexually Violent Offender Registration Act is passed as part of the Federal Violent Crime Control and Law Enforcement Act of 1994. This law requires states to implement a sex offender and crimes against children registry.

1996
Megan's Law amends the Wetterling Act. It requires states to establish a community notification system.

The Pam Lychner Sexual Offender Tracking and Identification Act of 1996 becomes an amendment to the Wetterling Act. It requires lifetime registration for recidivists and offenders who commit certain aggravated offenses.

1998
Provisions contained in Section 115 of the General Provisions of Title I of the Commerce, Justice, and State, the Judiciary, and Related Agencies Appropriations Act (CJSA) amend the requirements of the Wetterling Act to include heightened registration requirements for sexually violent offenders, registration of federal and military offenders, registration of nonresident workers and students, and participation in the National Sex Offender Registry (NSOR).

2000
The Campus Sex Crimes Prevention Act amends the Wetterling Act, requiring offenders to report information regarding any enrollment or employment at an institution of higher education and to provide this information to a law enforcement agency whose jurisdiction includes the institution.