Any use which is not specifically permitted under this chapter shall be a prohibited use. Whenever a use is specifically prohibited by any provision of this chapter, such use is listed for illustration purposes and shall not affect or otherwise limit the rule of this chapter.

No building or structure shall hereafter be erected or altered, nor shall any building, structure or land be used for any purpose other than a purpose permitted in the district in which such building, structure or land is located, nor in any manner contrary to any of the requirements specified in Article IV.

No building or structure shall hereafter be erected, enlarged or altered unless it complies with the height and bulk requirements in the Schedule Limiting Height and Bulk of Structures, Area and Open Space which accompanies this chapter[1] or the exceptions to the Schedule Limiting Height and Bulk of Structures, Area and Open Space listed in Article V for the district in which such building or structure is located. Said Schedule Limiting Height and Bulk of Structures, Area and Open Space is hereby declared to be a part hereof.

No building or structure shall hereafter be erected, enlarged or altered, nor shall any open space contiguous to any building or structure be encroached upon or reduced in any manner unless it complies with the area and open space requirement set forth in the Schedule Limiting Height and Bulk of Structures, Area and Open Space which accompanies this chapter or the exceptions to Schedule Limiting Height and Bulk of Structures, Area and Open Space listed in Article V for the district in which such building or structure is located.

Except as may be approved by the Planning Board in accordance with Village Law § 7-738 and as may be authorized by the Board of Trustees, no plot area shall be reduced or diminished so that the minimum land area per dwelling unit, yards or other open space thereon shall be smaller than prescribed by this chapter. If any lot on which a dwelling has been erected shall be subdivided into two or more lots in such a manner that the resulting lot on which such dwelling remains shall not comply with any provision of the Zoning Law the right of the owner thereof to maintain such dwelling on such lot shall immediately cease, and he shall remove such dwelling upon the order of the Building Inspector.

Maximum building area shall refer to that percentage of the lot area permitted to be covered by any primary or accessory structure. However, for purposes of computing coverage, walks and driveways shall not be considered as covered areas.

No yard or other open space provided on one plot for the purpose of complying with the provisions of this chapter shall be considered as providing a yard or open space required on any other plot.

Off-street parking space and off-street loading space shall be provided as specified in Article VII, and such spaces shall be provided with necessary passageways and driveways giving access thereto, and all such space, together with such passageways and driveways, shall be deemed to be required space on the plot on which the same are situated and shall not thereafter be encroached upon or reduced in any manner.

No lot shall be used for both residential purposes and business purposes at the same time.

Nothing contained in this chapter or in any amendment thereof shall require any change in the plans, construction or designated use of a building or structure, a substantial portion of the construction of which was lawfully completed pursuant to a valid building permit at the date this chapter or any amendment thereof affecting the same takes effect and which construction is completed within one year after such effective date.