5-6 NONCONFORMING BUILDINGS AND USES: Two-year vacancy or abandonment

1. A building or structure or portion thereof, nonconforming as to use, which is or hereafter becomes vacant and remains unoccupied for a continuous period of two year shall not be occupied except by a use which conforms to the use regulations of the zoning district in which it is located. 2. Wherever a nonconforming use has been discontinued for a period of two year, such use shall not thereafter be re-established, and any future use shall be in conformance with the provisions of the land use ordinance. 3. Any building, structure, or use for which a valid building permit has been issued and actual construction was lawfully begun prior to the effective date of the land use ordinance, may be completed, and used in accordance with the plans, specifications, and permit on which the building permit was granted. 4. For purposes of this section, actual construction is hereby defined to be: 1. The actual placing of construction materials in their permanent position, fastened in a permanent manner. 2. actual work in excavating a basement; or 3. the demolition or removal of an existing structure begun preparatory to rebuilding, provided that in all cases actual construction work shall be diligently carried on without delay until the completion of the building or structure involved.