; or (2) result in the involuntary reduction in contract water allocations to individuals or entities with contracts to receive water from the Friant Division. (d) Program for water rescheduling The Secretary of the Interior shall develop and implement a program, not later than 1 year after the date of the enactment of this Act, to provide for the opportunity for existing Central Valley Project agricultural water service contractors within the Sacramento River Watershed to reschedule water, provided for under their Central Valley Project water service contracts, from one year to the next. (e) Definitions In this section: (1) The term existing Central Valley Project agricultural water service contractors within the Sacramento River Watershed means water service contractors within the Shasta, Trinity, and Sacramento River Divisions of the Central Valley Project, that have a water service contract in effect, on the date of the enactment of this section, that provides water for irrigation. (2) The year type terms used in subsection (a) have the meaning given those year types in the Sacramento Valley Water Year Type (40–30–30) Index. 305. Effect on existing obligations Nothing in this title preempts or modifies any existing obligation of the United States under Federal reclamation law to operate the Central Valley Project in conformity with State law, including established water rights priorities. IV MISCELLANEOUS 401. Water supply accounting (a) In general All Central Valley Project water, except Central Valley Project water released pursuant to U.S. Department of the Interior Record of Decision, Trinity River Mainstem Fishery Restoration Final Environmental Impact Statement/Environmental Impact Report dated December 2000 used to implement an action undertaken for a fishery beneficial purpose that was not imposed by terms and conditions existing in licenses, permits, and other agreements pertaining to the Central Valley Project under applicable State or Federal law existing on October 30, 1992, shall be credited to