760 ILCS 3/1222

(a) If exercise of the decanting power would be effective under this Article except that the second-trust instrument in part does not comply with this Article, the exercise of the power is effective and the following rules apply to the principal of the first trust subject to the exercise of the power: (1) A provision in the second-trust instrument that is not permitted under this Article is void to the extent necessary to comply with this Article. (2) A provision required by this Article to be in the second-trust instrument that is not contained in the instrument is deemed to be included in the instrument to the extent necessary to comply with this Article. (b) If a trustee or other fiduciary of a second trust discovers that subsection (a) applies to a prior exercise of the decanting power, the fiduciary shall take such appropriate corrective action as is consistent with the fiduciary's duties.