(810 ILCS 5/2-508) (from Ch. 26, par. 2-508)
Sec. 2-508.
Cure by seller of improper tender or delivery; replacement.
(1) Where any tender or delivery by the seller is rejected because non-conforming and the time for performance has not yet expired, the seller may seasonably notify the buyer of his intention to cure and may then within the contract time make a conforming delivery.
(2) Where the buyer rejects a non-conforming tender which the seller had reasonable grounds to believe would be acceptable with or without money allowance the seller may if he seasonably notifies the buyer have a further reasonable time to substitute a conforming tender.
(Source: Laws 1961, p. 2101.)