43 CFR §30.401
An eligible purchaser at probate is any of the following:
- (a)Any devisee or eligible heir who is receiving an interest in the same parcel of land by devise or descent in the probate proceeding;
- (b)Any co-owner;
- (c)The Indian Tribe with jurisdiction over the parcel containing the interest; or
- (d)The Secretary on behalf of the Tribe.