Nothing in this Act shall be construed to prevent a State from adopting congressional districting criteria or procedures that do not conflict with this Act and that serve to limit potential exposure to liability under section 4(a). (c) Voting Rights Act Nothing in this Act shall be construed to preempt or alter any provision of the Voting Rights Act of 1965 ( 52 U.S.C. 10301 et seq.). 7. Severability If any provision of this Act or the application of such provision to any person or circumstance is held to be unconstitutional, the remainder of this Act and the application of the provision to any other person or circumstance shall not be affected.