If the Director of Planning shall find that any of the provisions of this chapter are being violated, he shall notify, by certified mail, the person responsible for such violation, indicating the nature of the violation and ordering the action necessary to correct it within a reasonable length of time. If, at the conclusion of said reasonable length of time, the violation has not, in the judgment of the Director of Planning, been satisfactorily corrected, then the Director shall order or seek means to bring about the correction of such violation, including the discontinuance of the illegal use, buildings or structures or of illegal additions, alterations or structural changes or the discontinuance of any illegal work or activity being done, or shall take any other action authorized by law to ensure compliance with or prevent violation of the provisions of this chapter.