Utah Code Ann. § 51-8-301
(1)
(c) In making a determination to appropriate or accumulate, the institution shall act in good faith, with the care that an ordinarily prudent person in a like position would exercise under similar circumstances, and shall consider, if relevant, the following factors:
(3) Terms in a gift instrument designating a gift as an endowment, or a direction or authorization in the gift instrument to use only "income," "interest," "dividends," or "rents, issues, or profits," or "to preserve the principal intact," or similar words: