; and (iii) contains a schedule which described that tasks will be completed within 18 months of receipt of withdrawn amounts. (D) Enforcement The Secretary may carry out such judicial and administrative actions as the Secretary determines to be necessary to enforce an expenditure plan to ensure that amounts disbursed under this paragraph are used in accordance with this Act. (g) Effect of Act Nothing in this Act gives the Nation the right to judicial review of a determination of the Secretary regarding whether to approve a tribal management plan or an expenditure plan except under subchapter II of chapter 5, and chapter 7 of title 5, United States Code (commonly known as the Administrative Procedure Act ). (h) Uses Amounts from the Trust Fund shall be used by the Nation for the following purposes: (1) The Navajo Water Development Projects Account shall be used to plan, design, and construct the Navajo water development projects and for the conduct of related activities, including to comply with Federal environmental laws. (2) The Navajo OM&R Account shall be used for the operation, maintenance, and replacement of the Navajo water development projects. (i) Liability The Secretary and the Secretary of the Treasury shall not be liable for the expenditure or investment of any amounts withdrawn from the Trust Fund by the Nation under subsection (f). (j) No per capita distributions No portion of the Trust Fund shall be distributed on a per capita basis to any member of the Nation. (k) Expenditure reports The Navajo Nation shall submit to the Secretary annually an expenditure report describing accomplishments and amounts spent from the use of withdrawals under a tribal management plan or an expenditure plan as described in this Act. 7. Authorization of appropriations (a) Authorization There are authorized to be appropriated to the Secretary— (1) for deposit in the Navajo Water Development Projects Account of the Trust Fund established under section 6(b)(1), $198,300,000, which funds shall be retained until expended,