(a) A lease may provide for the following, subject to the conditions in paragraphs (b) and (c) of this section:

(1) Alternative forms of rental, including, but not limited to in-kind consideration; or

(2) Varying types of compensation at specific stages during the life of the lease.

(b) For tribal land, we will defer to the tribe's determination that the compensation under paragraph (a) of this section is in its best interest, if either:

(1) The lease is for housing for public purposes; or

(2) The tribe submits a signed certification or tribal authorization stating that it has determined the compensation under paragraph (a) of this section to be in its best interest.

(c) For individually owned Indian land, we may approve a lease that provides for compensation under paragraph (a) of this section if we determine that it is in the best interest of the Indian landowners.