This part contains the authorities, policies, and procedures governing the administration of life estates and future interests in trust and restricted property by the Secretary of Interior. This part does not apply to any use rights assigned to tribal members by tribes in the exercise of their jurisdiction over tribal lands.

(a) Subpart A contains general provisions.

(b) Subpart B describes life estates not created under the American Indian Probate Reform Act of 2004 (AIPRA), as described in § 179.3(b).

(c) Subpart C describes life estates created under AIPRA, as described in § 179.3(a).