resolution of the claims against the foreign state, or any other parties as to whom a stay of claims is sought. 5. Severability If any provision of this Act or any amendment made by this Act, or the application of a provision or amendment to any person or circumstance, is held to be invalid, the remainder of this Act and the amendments made by this Act, and the application of the provisions and amendments to any other person not similarly situated or to other circumstances, shall not be affected by the holding. 6. Effective date The amendments made by this Act shall apply to any civil action— (1) pending on, or commenced on or after, the date of enactment of this Act