shall apply with respect to redistricting carried out pursuant to the decennial census conducted during 2030 or any succeeding decennial census. IV General Provisions 401. No effect on elections for State and local office Nothing in this Act or in any amendment made by this Act may be construed to affect the manner in which a State carries out elections for State or local office, including the process by which a State establishes the districts used in such elections. 402. Severability If any provision of this Act or any amendment made by this Act, or the application of a provision of this Act or an amendment made by this Act to any person or circumstance, is held to be unconstitutional, the remainder of this Act, and the application of the provisions to any person or circumstance, shall not be affected by the holding.