(810 ILCS 5/2A-107)
(from Ch. 26, par. 2A-107)
Waiver or renunciation of claim or right after default.
Any claim or right arising out of an alleged default or breach
of warranty may be discharged in whole or in part without
consideration by a written waiver or renunciation signed and
delivered by the aggrieved party.
(Source: P.A. 87-493.)