Utah Code § 75-2-1205: Reformation.

Upon the petition of an interested person, a court shall reform a disposition in the manner that most closely approximates the transferor's manifested plan of distribution and is within the 1,000 years allowed by Section 75-2-1203 if:

(1) a nonvested property interest or a power of appointment becomes invalid under Section 75-2-1203;

(2) a class gift is not but might become invalid under Section 75-2-1203 and the time has arrived when the share of any class member is to take effect in possession or enjoyment; or

(3) a nonvested property interest that is not validated by Section 75-2-1203 can vest but not within 1,000 years after its creation.