; and (C) any other law applicable to the Contra Costa Canal or the acquired land. (2) Effect Nothing in this Act modifies or alters any obligations under— (A) the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq.); or (B) the Endangered Species Act of 1973 ( 16 U.S.C. 1531 et seq.). 4. Relationship to existing Central Valley Project contracts (a) In general Nothing in this Act affects— (1) the application of the reclamation laws to water delivered to the District pursuant to any contract with the Secretary; or (2) subject to subsection (b), the contracts. (b) Amendments to contracts The Secretary and the District may modify the contracts as necessary to comply with this Act. (c) Liability (1) In general Except as provided in paragraph (2), the United States shall not be liable for damages arising out of any act, omission, or occurrence relating to the Contra Costa Canal or the acquired land. (2) Exception The United States shall continue to be liable for damages caused by acts of negligence committed by the United States or by any employee or agent of the United States before the date of the conveyance and assignment under section 3(a), consistent with chapter 171 of title 28, United States Code (commonly known as the Federal Tort Claims Act ). (3) Limitation Nothing in this Act increases the liability of the United States beyond the liability provided under chapter 171 of title 28, United States Code. 5. Report If the conveyance and assignment authorized by section 3(a) is not completed by the date that is 1 year after the date of enactment of this Act, the Secretary shall submit to Congress a report that— (1) describes the status of the conveyance and assignment; (2) describes any obstacles to completing the conveyance and assignment; and (3) specifies an anticipated date for completion of the conveyance and assignment.