; and (C) this section. (2) Investment earnings In addition to the deposits under subsection (c), any investment earnings, including interest, credited to amounts held in the Trust Fund are authorized to be appropriated to be used in accordance with the uses described in subsection (h). (e) Availability of amounts Amounts appropriated to, and deposited in, the Trust Fund, including any investment earnings, shall be made available to the Nation by the Secretary beginning on the enforceability date and subject to the uses and restrictions set forth in this section. (f) Withdrawals (1) Withdrawals Under the American Indian Trust Fund Management Reform Act of 1994 The Nation may withdraw any portion of the funds in the Trust Fund on approval by the Secretary of a tribal management plan submitted by the Nation in accordance with the American Indian Trust Fund Management Reform Act of 1994 ( 25 U.S.C. 4001 et seq.). (A) Requirements In addition to the requirements under the American Indian Trust Fund Management Reform Act of 1994 ( 25 U.S.C. 4001 et seq.), the tribal management plan under this paragraph shall require that the Nation shall spend all amounts withdrawn from the Trust Fund and any investment earnings accrued through the investments under the tribal management plan in accordance with this Act. (B) Enforcement The Secretary may carry out such judicial and administrative actions as the Secretary determines to be necessary to enforce the tribal management plan to ensure that amounts withdrawn by the Nation from the Trust Fund under this paragraph are used in accordance with this Act. (2) Withdrawals under expenditure plan The Nation may submit to the Secretary a request to withdraw funds from the Trust Fund pursuant to an approved expenditure plan. (A) Requirements To be eligible to withdraw funds under an expenditure plan under this paragraph, the Nation shall submit to the Secretary for approval an expenditure plan for any portion of the Trust Fund that the Nation elects to withdraw pursuant to this