25 CFR 115.814 - If a tribe withdraws money from its trust account for a particular purpose or project, may the tribe redeposit any money that was not used for its intended purpose?
A tribe may redeposit funds not used for a particular purpose or project if:
(a) The funds were withdrawn in accordance with:
(1) The terms of Trust Reform Act;
(2) The terms of the legislative settlement; or
(3) The terms of a judgment use and distribution plan; and
(b) The tribe can provide documentation showing the source of the funds to be redeposited.