Only that portion of the land or water in actual use may be so continued, and the nonconforming use may not be extended, enlarged, reconstructed, substituted, or moved, except when required to do so by law or order or so as to comply with the provisions of this chapter.

Total lifetime structural repairs or alterations shall not exceed 50% of the Village's equalized value of the structure at the time of its becoming a nonconforming use unless it is permanently changed to conform to the use provisions of this chapter.

Substitution of new equipment may be permitted by the Zoning Board of Appeals if such equipment will reduce the incompatibility of the nonconforming use with the neighboring uses.

When a nonconforming use is damaged by fire or other calamity to the extent of more than 50% of its equalized value, and at the date of said calamity the principal use of said structure was residential, the same may be rebuilt by the owner of the structure on the date of said calamity, or his or her heirs, if a permit for reconstruction is obtained within 12 months from the date of the calamity. When a nonconforming use is damaged by fire or other calamity to the extent of more than 50% of its equalized value, and at the date of said calamity the principal use of said structure is other than residential, it shall not be rebuilt or restored except so as to comply with the use provisions of this chapter.

A current file or all nonconforming uses and structures shall be maintained by the Village Plan Commission, listing the following: property location; use of the structure, land, or water; and the date that the structure or use became nonconforming.

Additions and enlargements to existing nonconforming structures are permitted and shall conform to the established building setback lines along arterial streets and highways and the yard, height, parking, loading, and access provisions of this chapter. Existing buildings and their additions shall not be permitted to encroach further upon established yard and height requirements than the existing encroachment.

Existing nonconforming structures which are damaged or destroyed by fire, explosion, flood, or other calamity may be reconstructed and, insofar as is practicable, shall conform to the established building setback lines along arterial streets and highways and yard, height, parking, loading, and access provisions of this chapter.

Existing nonconforming structures may be moved and, insofar as is practicable, shall conform to the established building setback lines along arterial streets or highways and the yard, height, parking, loading, and access provisions of this chapter.