This bill would prevent state and local police from arresting foreign nationals in the United States based solely on arrest warrants or indictments issued by the International Criminal Court (ICC). Currently, the U.S. is not a member of the ICC, and this bill aims to make sure that local law enforcement doesn't act on ICC requests without explicit permission from the federal government.

Here's what it means in practical terms: If the ICC issues a warrant for someone's arrest, a state or local police officer couldn't arrest that person just because of the ICC warrant. They also couldn't help the ICC or use police resources to assist with ICC investigations. The only exceptions would be if Congress passes a specific law approving cooperation in a particular case, or if the President certifies that helping the ICC is necessary for national security and issues a written authorization.

The bill's supporters argue this protects American sovereignty by keeping foreign policy decisions in federal hands rather than letting local police departments make those decisions independently. Critics might worry it could shield people from international justice, but supporters contend that the federal government should maintain control over how the U.S. cooperates with international courts. The bill essentially says that federal authority, not local police departments, gets to decide whether the U.S. helps the ICC.