; (2) the date on which the Commonwealth of Puerto Rico is admitted as a State of the Union of the United States, as declared under a Presidential proclamation issued under section 402(b)(1); or (3) the date of ratification by eligible voters of a compact agreement for the Commonwealth of Puerto Rico under section 502(a)(1). 602. Severability If any provision of this Act, or the application of a provision of this Act to any person or circumstance, is held to be invalid by a court of jurisdiction, the remainder of this Act, and the application of the provisions to any person or circumstance, shall not be affected by the holding.