; (B) the District of Columbia; (C) the Commonwealth of Puerto Rico; (D) the United States Virgin Islands; and (E) any territory or insular possession subject to the jurisdiction of the United States. (17) Trust (A) In general The term trust , with respect to property, means a fiduciary relationship that subjects the person by whom the property is held to equitable duties to deal with the property for the benefit of another person, which arises as a result of a manifestation of an intention to create the fiduciary relationship. (B) Inclusions The term trust includes a legal entity holding property as trustee, agent, escrow agent, attorney-in-fact, or in any similar capacity. (C) Exclusions The term trust does not include— (i) a person acting in a fiduciary capacity; or (ii) a revocable trust. (18) Unauthorized legal entity The term unauthorized legal entity means a legal entity that is not an authorized legal entity. 4. Restrictions on agricultural land holdings and exceptions (a) In general Except as provided in subsection (b), an unauthorized legal entity shall not, directly or indirectly, acquire or otherwise hold an ownership interest in any agricultural land. (b) Exceptions (1) In general Subsection (a) shall not apply to the following: (A) A bona fide encumbrance taken for purposes of security. (B) Agricultural land acquired for research or experimental purposes. (C) Agricultural land acquired and operated— (i) by or for a public institution of higher education for research, experimental, demonstration, or test purposes