If it appears to the Borough that a violation of any provision of this chapter or the Borough Code or any amendment thereto, any detailed statement or a plan approved under the provisions of this chapter or any amendment thereto, or any condition of a variance or special exception granted by the Zoning Hearing Board or of a conditional use granted by the Borough Council has occurred or is occurring, the Zoning Officer may initiate enforcement proceedings by sending notice thereof. By means of the enforcement notice, the Zoning Officer may order discontinuance of illegal use of the land or structures, removal of illegal structures thereon, or discontinuance of any illegal work being done.