If the Council finds and determines that the property owner has complied in good faith with the terms and conditions of the agreement during the period under review, the review for that period is concluded. If the Council finds and determines that the property owner has not complied in good faith with the terms and conditions of the agreement during the period under review, the Council shall order the property owner to cure the default within sixty (60) days. If the property owner fails to do so, the Council may modify or terminate the agreement.