This chapter shall be enforced by the Zoning Officer. It shall be his/her duty to examine all applications for permits and to issue permits only for construction and uses which are in accordance with the requirements of this chapter. The Zoning Officer shall record and file all applications for permits with any accompanying plans and documents and make such reports as the Borough Council may require. Permits for construction and uses which are a conditional use or variance to requirements of this chapter shall be issued only upon order of the Planning Board or the Planning Board acting as the Zoning Board of Adjustment. Nothing herein contained shall require any change of plans or construction of a lawful use, the construction of which is started before June 8, 1964, or for which a permit has been issued which is completed within one year of June 8, 1964.