The lawful use of any building or use of land existing at the time of the enactment of the ordinance from which this chapter is derived may be continued although such use may not conform with the provisions of this chapter, except as hereinafter provided.
A nonconforming use may be changed to a conforming use, and when so changed to a more-restrictive classification, it shall not thereafter resume the less-restrictive use.
No building which has been damaged by fire or other natural causes to the extent of more than 100% of its assessed value for county tax purposes shall be repaired or rebuilt except in conformity with the regulations of this chapter.
No nonconforming building shall be altered or nonconforming use of a building or land extended except as authorized by the Board of Appeals.
A. 
Nothing in this article shall prohibit the completion of any lawful structure for which the excavation has been prepared and the foundation walls constructed at the effective date of the ordinance from which this chapter is derived; provided, however that the construction must be completed within a period of one year from that date.
B. 
Furthermore, any use of land for which an application has been filed with the Village authorities at least 15 days prior to the adoption of the ordinance from which this chapter is derived and in conformity with any regulations pertaining to land use then in effect shall, even though said ordinance shall have become effective, be processed in accordance with standards and specifications contained in such relevant regulations effective on the date of said application.
Whenever a nonconforming use has been abandoned or discontinued for a period of one year, any future use shall be in conformity with the provisions of this chapter.