25 U.S.C. § 5422

(a) Provision of support by Secretary Subject to subsection (b) of this section, during the 5-year period beginning on the date that the Foundation is established, the Secretary— (1) may provide personnel, facilities, and other administrative support services to the Foundation; (2) may provide funds to reimburse the travel expenses of the members of the Board under section 5421 of this title ; and (3) shall require and accept reimbursements from the Foundation for any— (A) services provided under paragraph (1); and (B) funds provided under paragraph (2). (b) Reimbursements Reimbursements accepted under subsection (a)(3) of this section shall be deposited in the Treasury to the credit of the appropriations then current and chargeable for the cost of providing services described in subsection (a)(1) of this section and the travel expenses described in subsection (a)(2) of this section. (c) Continuation of certain services Notwithstanding any other provision of this section, the Secretary may continue to provide facilities and necessary support services to the Foundation after the termination of the 5-year period specified in subsection (a) of this section, on a space available, reimbursable cost basis.