Approved uses permitted on review may be subject to an annual review by the Planning Director. The annual review is intended to confirm compliance to the provisions set forth in the approved application. In addition, the Planning Director may initiate a review at any time upon a finding that probable grounds exist to believe the conditions or terms of any permitted use are being violated, and shall keep a record of all reviews in the application file. The owner shall be timely notified in writing of any nonconformance and of any subsequent action to be taken.