25 CFR §162.005

1. (a)You need a lease under this part to possess Indian land if you meet one of the criteria in the following table, unless you are authorized to possess or use the Indian land by a land use agreement not subject to this part under § 162.006(b) or by a permit.
2. (b)You do not need a lease to possess Indian land if:
   1. (1)You are an Indian landowner who owns 100 percent of the trust or restricted interests in a tract; or
   2. (2)You meet any of the criteria in the following table.