The regulations set by this appendix within each district shall be minimum regulations and shall apply uniformly to each class or kind of structure on land, and particularly, except as herein provided:

A.

No building, structure, or land shall hereafter be used or occupied, and no building or structure or part thereof shall hereafter be erected, constructed, reconstructed, moved or structurally altered except in conformity with all of the regulations herein specified for the district in which it is located.

B.

No building or other structure shall hereafter be erected or altered to accommodate or house a greater number of families, to occupy a greater percentage of lot area, or to have narrower or smaller front yards, side yards, rear yards, or other open spaces, in any manner contrary to the provisions of this appendix.

C.

No part of a lot area, yard or other open space, or off-street parking or loading space required about or in connection with any building or structure for the purpose of complying with this appendix, shall be included as part of a lot area, yard, open space, or off-street parking or loading space similarly required for any other building or structure.

D.

No lot or yard existing at the time of passage of the ordinance from which this appendix is derived shall be reduced in dimension or area below the minimum requirements set forth herein. Lots or yards created after the effective date of the ordinance from which this appendix is derived shall meet at least the minimum requirements established herein.