Acceptance of rent with knowledge of a default by the tenant or acceptance of performance by him that varies from the terms of the rental agreement constitutes a waiver of the landlord's right to terminate the rental agreement for that breach, unless otherwise agreed after the breach has occurred.
Waiver of landlord's right to terminate
KRS § 383.675, under RENTAL OF PROPERTY -- FORCIBLE ENTRY AND DETAINER -- UNIFORM RESIDENTIAL LANDLORD AND TENANT ACT.
KRS § 383.675