25 CFR §169.118

1. (a)A right-of-way grant may provide for alternative forms of compensation and varying types of compensation, subject to the conditions in paragraphs (b) and (c) of this section:
   1. (1)Alternative forms of compensation may include but are not limited to, in-kind consideration and payments based on throughput or percentage of income; or
   2. (2)Varying types of compensation may include but are not limited to different types of payments at specific stages during the life of the right-of-way grant, such as fixed annual payments during construction, payments based on income during an operational period, and bonuses.
2. (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 the tribe submits a signed certification or tribal authorization stating that it has determined the alternative form of compensation or varying type of compensation to be in its best interest.
3. (c)For individually owned land, we may grant a right-of-way that provides for an alternative form of compensation or varying type of compensation if we determine that it is in the best interest of the Indian landowners.