The purpose of this legislation is to establish rules for how federal funds can be used for security support at major events in areas known as sanctuary jurisdictions. Sanctuary jurisdictions are places that limit their cooperation with federal immigration enforcement. The bill aims to ensure that these jurisdictions comply with federal immigration laws in order to receive funding for security measures. If they do not comply, the funds will be redirected to U.S. Immigration and Customs Enforcement (ICE) to enhance immigration enforcement efforts.