25 U.S.C. § 393 : US Code - Section 393: Leases of restricted allotments

Search 25 U.S.C. § 393 : US Code - Section 393: Leases of restricted allotments

The restricted allotment of any Indian may be leased for farming
and grazing purposes by the allottee or his heirs, subject only to
the approval of the superintendent or other officer in charge of
the reservation where the land is located, under such rules and
regulations as the Secretary of the Interior may prescribe:
Provided, That this provision shall not apply to the Five Civilized
Tribes.