State that enforces or maintains, nor a government official (including a person described in section 7(c)) who is permitted to implement or enforce any limitation or requirement that violates section 4 or 5 shall be immune under the Tenth Amendment to the Constitution of the United States, the Eleventh Amendment to the Constitution of the United States, or any other source of law, from an action in a Federal or State court of competent jurisdiction challenging that limitation or requirement, unless such immunity is required by clearly established Federal law, as determined by the Supreme Court of the United States. 9. Effective date This Act shall take effect upon the date of enactment of this Act. 10. Severability If any provision of this Act, or the application of such provision to any person, entity, government, or circumstance, is held to be unconstitutional, the remainder of this Act, or the application of such provision to all other persons, entities, governments, or circumstances, shall not be affected thereby.