; and (10) by adding at the end the following new subsections: (k) No impacts on other interests No Central Valley Project or other water other than San Joaquin River water impounded by or bypassed from Friant Dam shall be used to implement subsection (a)(2) unless such use is on a voluntary basis. No cost associated with the implementation of this section shall be imposed directly or indirectly on any Central Valley Project contractor, or any other person or entity, outside the Friant Division, the Hidden Unit, or the Buchanan Unit, unless such costs are incurred on a voluntary basis. The implementation of this part shall not result directly or indirectly in any reduction in water supplies to or water reliability for any Central Valley Project contractor, any State Water Project contractor, or any other person or entity, outside the Friant Division, the Hidden Unit, or the Buchanan Unit, unless such reductions or costs are incurred on a voluntary basis. (l) Priority All actions taken under this part shall be subordinate to the Secretary’s use of Central Valley Project facilities to make Project water available to Project contractors, other than water released from the Friant Dam pursuant to this part. (m) In general Notwithstanding section 8 of the Reclamation Act of 1902, except as expressly provided in this part, including title II of this Act, this part preempts and supersedes any State law, regulation, or requirement that imposes more restrictive requirements or regulations on the activities authorized under this part. Nothing in this part shall alter or modify the obligations, if any, of the Friant Division, Hidden Unit, and Buchanan Unit of the Central Valley Project, or other water users on the San Joaquin River or its tributaries, under orders issued by the State Water Resources Control Board pursuant to the Porter-Cologne Water Quality Control Act (California Water Code sections 13000 et seq.). Any such order shall be consistent with the congressional authorization for any affected Federal facility as