CFR /  Title 25  /  Part 1000  /  Sec. 1000.402 After a non-BIA AFA has been executed and the funds of funds?

The bureau may request the return of funds already transferred to a Tribe/Consortium only under the following circumstances:

(a) Retrocession;

(b) Reassumption;

(c) Construction, when there are special legal requirements; or

(d) As otherwise provided for in the AFA.