Section 2-903
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 90 years allowed by section 2-901(a)(2), 2-901(b)(2), or 2-901(c)(2) if:
(1) a nonvested property interest or a power of appointment becomes invalid under section 2-901 (statutory rule against perpetuities);
(2) a class gift is not but might become invalid under section 2-901 (statutory rule against perpetuities) 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 2-901(a)(1) can vest but not within 90 years after its creation.