25 CFR § 162.418
How must a business lease describe the land?
February 24, 2021
(a) A business lease must describe the leased premises by reference to an official or certified survey, if possible. If the land cannot be so described, the lease must include one or more of the following:
(1) A legal description;
(2) A survey-grade global positioning system description; or
(3) Another description prepared by a registered land surveyor that is sufficient to identify the leased premises.
(b) If the tract is fractionated we will identify the undivided trust or restricted interests in the leased premises.