Along rights-of-way. Where a district boundary is shown following a street, parkway, public utility right-of-way or railroad, it is respectively the center line of such street, parkway or public utility right-of-way, or a line located midway between the main tracks of said railroad; such boundary shall change automatically whenever the center line of such street, parkway, public utility right-of-way or main railroad tracks changes, if the new center line is not farther from the old center line than 50 feet at any point.

Standard depths of districts. Standard depths of districts. If a district boundary is shown as separated from but approximately parallel to any landmarked or monumented line, such boundary shall be parallel to the center line of such street or public utility right-of-way or to a line located midway between the main tracks of a railroad, at such distance therefrom as shown on the Zoning Map. In case of a street, such distance shall be measured from the center line. If any such distance parallel to a street is not specified on the Zoning Map, it shall be 125 feet from the center line of street.

Along lot lines or municipal boundaries. Where a district boundary is shown as following a town or Village boundary line, a property line, a lot line or a projection of any one of the same, the boundary shall be such landmarked or monumented line or projection thereof. If the boundary is shown as separated from but approximately parallel to any such landmarked or monumented line or projection thereof, such boundary shall be parallel to any landmarked or monumented line or projection thereof, as the case may be, at such distance therefrom as shown on the Zoning Map.

Along streams. Where a district boundary is shown as following a stream, other than the Hudson River, it shall be the center line of the main channel of such stream, and such boundary shall change automatically if the main channel of such stream is changed by natural or artificial means, if such new center line is no farther from the old center line than 50 feet at any point.

Map dimensions. In the absence of a specific distance being indicated on the Zoning Map, or specified in Subsection B of this section, the distance shall be determined by using the map scale.

Hudson River. Although not completely shown on the Zoning Map, the area of the Hudson River within the Village shall be a WD District.

Physical markers. Where a street, highway, railroad or other physical monument or marker on the ground determines a boundary which varies from that shown on the Zoning Map, the on-the-ground physical monument or marker shall control.

Angles of intersection. Where district lines intersect with a street, and where there is any change in the direction of a district line, the angle formed shall be deemed to be 90°, unless otherwise specified.

No building shall be erected, moved, structurally altered, reconstructed or enlarged nor shall any land or building be used, designed or arranged to be used for any purpose in any manner except in compliance with this chapter and all other applicable laws, together with all rules, requirements and restrictions appurtenant thereto.

No yard or open space required in connection with any building or use shall be considered as providing a required yard or open space for any other building or use on the same or any other lot.

No lot shall be formed from part of a lot already occupied by a building or use unless such building or use, all yards and open spaces connected therewith and the remaining lot comply with all requirements prescribed by this chapter for the district in which said lot is located.

Any use not permitted by this chapter shall be deemed to be prohibited. Uses identified by special permit shall be deemed prohibited unless a valid special permit shall be issued by the Board of Trustees or Zoning Board of Appeals therefor.

Preexisting uses identified as special permit uses in this chapter for which there exists, on the effective date of this chapter or amendment thereof, a valid certificate of occupancy, shall not be deemed nonconforming unless such uses are nonconforming as to the bulk or supplemental requirements of this chapter, as specified in §§ 245-19 and 245-20. Such preexisting uses shall be registered with the Code Enforcement Officer within six months of the date of adoption of this chapter.

No building permit or certificate of occupancy shall be granted for any use unless the Code Enforcement Officer shall find that the use shall conform to the requirements set forth in this chapter.

No land or building shall be used in any manner so as to create any hazard to public health, peace or comfort or to hinder the most appropriate use of land in the vicinity by reason of fire, explosion or radiation.

No building permit shall be issued for a structure to be located on two or more tax lots until they have been combined, with the approval of the Planning Board, into a single tax lot.

No existing lot line, nor the location of any structure, shall be moved, altered or eliminated, nor shall any land or structure be partitioned, so as to create any nonconformity with or violation of this chapter, except by variance duly granted by the Zoning Board of Appeals as provided in § 245-33F of this chapter.