; (2) arbitration procedures shall be in accordance with the alternative dispute resolution procedures established by the American Arbitration Association; and (3) in no event shall arbitration be a condition precedent or an administrative procedure to be exhausted before the filing of a civil action under this Act. (b) Review of arbitration Appeal from arbitration decisions shall be to the United States District Court or the United States Court of Federal Claims in the manner prescribed by law for the claim under this Act. 10. Rules of construction Nothing in this Act shall be construed to interfere with the authority of any State to create additional property rights. 11. Severability If any provision of this Act, an amendment made by this Act, or the application of such provision or amendment to any person or circumstance is held to be unconstitutional, the remainder of this Act, the amendments made by this Act, and the application of the provisions of such to any person or circumstance shall not be affected thereby. 12. Effective date The provisions of this Act shall apply to actions commenced on or after the date of the enactment of this Act.