The provisions of this article apply to nonconforming uses, structures and lots as created by the initial enactment of this bylaw or by any subsequent amendment.

Any lawful building or use of a building or land or any part thereof existing at the time of the adoption or amendment of this bylaw may be continued although not conforming to the provisions hereof, provided such use has not been abandoned for a continuous period of two years or more.

If any nonconforming development or use of land or of a building be discontinued for a period of two years or more, which in the terms of this bylaw shall constitute abandonment of nonconforming usage, such land or building shall thereafter be used or developed only in accordance with the terms of the Whitman Zoning Bylaw for the zoning districts in which such property is located.

In the event of the interruption of the use of any such building or land caused by the destruction of or damage to any building by fire, explosion or other catastrophe, by 75% or more, such building may be rebuilt or restored at the same location and such use of land resumed, provided that:

No nonconforming structure shall be removed to any other location on the lot or any other lot without the approval of the Zoning Board of Appeals unless every portion of such structure, the use thereof and the lot shall be conforming.

Any structure determined to be unsafe may be restored to a safe condition. Such work on any nonconforming structure shall not place it in greater nonconformity.

Any nonconforming use of building or land may be altered or enlarged up to 25% of the original floor area of a building or land area in use at the time of the adoption of this bylaw, and to a greater extent when approved by the Board of Appeals, provided: