Federal vs State Law Federal Authority Federalism Federal vs. State Law State vs. Federal Law Federal Law State vs Federal Authority State vs Federal Law State Laws vs Federal Law Federal Employees First Amendment Trial Scheduling Conflict with Federal System United States Constitution Foreign Commerce Clause Conflict of Laws State Law Immigration Law Education Law State Legislation Federal Law Enforcement Local vs Federal Law Jurisdiction Federal vs State Authority Federal vs State Jurisdiction Gun Rights Local Compliance Legal Challenges State Laws Federal Preemption Conflict with State Laws State Interference in Federal Officials' Duties State Interference Immunity from State Prosecution
Federal officials argue it violates the Supremacy Clause.