The lawful use of land or buildings existing at the time of the adoption of this ordinance may continue although such use does not conform to the regulations specified by this ordinance for the district in which such land or building is located, subject to the following conditions and specifications.

A.

Any nonconforming use of land or building which has ceased to discontinuance or abandonment for a period of six months shall thereafter conform to the provisions of this ordinance.

B.

Any nonconforming building which has been destroyed or damaged by fire, explosion, act of God, insurrection or by a public enemy to the extent of 60 percent or more of its assessed valuation shall thereafter conform to the provisions of this ordinance. Where more than 40 percent of the assessed value of the building remains after such damage, such structure may be restored to the same nonconforming use as existed before such damage.

C.

No nonconforming building shall be enlarged or structurally altered except to make it a conforming building. A nonconforming use of a building existing at the time of the adoption of this ordinance may be extended throughout the building provided no structural alterations, except those required by ordinance or law are made therein, and provided variance is obtained.

D.

The use of a nonconforming building may be changed only to a use conforming to the district in which the property is located.