Waiver or renunciation of claim or right after breach [UCC 1-306]
A claim or right arising out of an alleged breach may be discharged in whole or in part without consideration by agreement of the aggrieved party in a signed record.
Waiver or renunciation of claim or right after breach - UCC 1-306
Ohio Rev. Code Ann. § 1301.306, under General Provisions.
Ohio Rev. Code Ann. § 1301.306