25 CFR §115.814
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- (a)The funds were withdrawn in accordance with: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.