Any building, structure, or use lawfully existing at the time of enactment of this ordinance may be continued as a nonconforming use even though such building, structure, or use does not conform with the provisions of this ordinance for the use district in which it is located. Similarly, whenever a use district shall be change thereafter, the then existing lawful use may be continued.

(5.201) A nonconforming use may be extended on the original parcel of land on which it is situated at the time of passage of this ordinance, but may be extended into any required parking area unless other parking area is substituted therefore, nor into a minimum side yard and rear yard of five (5) feet from any interior boundary line of the said parcel of land.

(5.202) No nonconforming use shall be extended to displace a conforming use.

(5.203) Nothing in this ordinance shall be taken to prevent the restoration or replacement of a building wholly or partially destroyed by fire, explosion or other casualty or act of God or the public enemy provided such reconstruction or restoration shall commence within one year of such destruction and be completed within two (2) years.

(5.204) Any nonconforming structure or portion thereof declared unsafe by a proper authority may be restored to a safe condition.

(5.205) Once changed to a conforming use, no building or land shall be permitted to revert to a nonconforming use. A nonconforming use of a building may be changed to another nonconforming use of the same or more restricted classification.

(5.206) Whenever a building or land use in whole or in part for nonconforming purpose becomes and remains vacant for a continuous period of one year, or when the operations normally carried on in such building or on such land have been discontinued for a period of one year, such nonconforming use shall not thereafter be re-established, and any future use shall be in conformity with the provisions of this ordinance. Leasing the premises, commencement of repairs, reconstruction or replacement in the event of casualty loss and remodeling operations shall interrupt such one year period.