765 ILCS 77/30
If, prior to closing, any seller becomes aware of an error, inaccuracy, or omission in any prior disclosure report or supplement after delivery of that disclosure report or supplement to a prospective buyer, that seller shall supplement the prior disclosure report or supplement with a written supplemental disclosure, delivered by any method set forth in Section 50.
(Source: P.A. 102-765, eff. 5-13-22.)