The lawful use of land existing at the time of the passage of this Chapter, although such use does not conform to the provisions hereof, may be continued, but if such non-conforming use is discontinued for a period of six (6) months, any future use of said land shall be in conformity with the provisions of this Chapter.

The lawful use of a building existing at the time of the passage of this Chapter may be continued, although such use does not conform with the provisions hereof and such use may be extended throughout the building life, provided no structural alterations, except those required by law or ordinance, are made therein. If such non-conforming building is removed, every future use of land shall be in conformity with the provisions of this Chapter.

The foregoing provisions shall also apply to non-conforming uses in districts hereafter changed.

Nothing in this Section shall be deemed to prevent the restoration of a building destroyed to the extent of not more than seventy-five percent (75%) of its reasonable value by fire, explosion or other casualty or the public enemy, nor the continued occupancy or use of such building or part thereof which existed at the time of such partial destruction.

The lawful non-conforming use of land in the expedited debris removal area pursuant to Subsection (A) of this Section on May 22, 2011, other than the use of land upon which to place a mobile home, may be continued as a non-conforming use if such use is resumed within two (2) years of the May 22, 2011, tornado; thereafter, the future use of such land shall be governed by the provisions of Subsection (A) of this Section.

The lawful use of a non-conforming building within the expedited debris removal area pursuant to Subsection (B) of this Section on May 22, 2011, may be continued in a replacement building other than a mobile home if a building permit for the replacement building is issued within two (2) years, and construction completed within two (2) years plus six (6) months, of the May 22, 2011, tornado; thereafter, the future use of such building shall be governed by the provisions of Subsection (B) of this Section.