Building or structure designed or intended for a nonconforming use. A building or structure, all or substantially all of which is designed or intended for a use which is not permitted in the district in which it is located, and which is destroyed or damaged by fire or other casualty or act of God to the extent that the cost of restoration to the condition in which it was before the occurrence shall exceed 50% of its full market value shall not be restored unless said building or structure and the use thereof shall conform to all of the regulations of the district in which it is located. In the event such damage or destruction is less than 50% of such full market value, repairs or reconstruction may be made only if such restoration is started within one year from the date of the partial destruction and is diligently prosecuted to completion. A nonconforming structure damaged or destroyed by violent wind, vandalism, fire, flood, ice, snow, mold or infestation after March 2, 2006, may be restored in accordance with the provisions of § 62.23(7)(hc), Wis. Stats.[1]