; and (3) any waivers and releases executed under section 10(a) shall be void. (b) Date described The date referred to in subsection (a) is, as applicable— (1) December 31, 2029; or (2) an alternative later date agreed to by the Fort Belknap Indian Community and the Secretary after reasonable notice to the State. 15. Antideficiency The United States shall not be liable for any failure to carry out any obligation or activity authorized by this Act, including any obligation or activity under the Compact, if— (1) adequate appropriations are not provided by Congress expressly to carry out the purposes of this Act; or (2) there are not enough funds available in the Reclamation Water Settlements Fund established by section 10501(a) of the Omnibus Public Land Management Act of 2009 ( 43 U.S.C. 407(a) ) to carry out the purposes of this Act.