The regulations set by this ordinance within each district shall be minimum regulations and shall apply uniformly to each class or kind of structure or land, except as hereinafter provided.

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 the regulations herein specified for the district in which it is located.

No part of a yard, or other open space, or off-street parking or loading space required about or in connection with any building or use for the purpose of complying with this ordinance, shall be included as part of a yard, open space, or off-street parking or loading space similarly required for any other building or use. (See section 6 also.)

Any territory hereafter annexed to the City of Schulenburg shall be classified as District A-O unless the city council, at its option, decides to zone the property in the annexation ordinance. The newly annexed territory shall remain so identified until such a zoning change request is issued to the zoning commission. Upon the issuance of the zoning change request, the planning and zoning commission shall follow stated procedures and hold its public hearings and make its recommendation to the city council of the City of Schulenburg.

No person shall erect, excavate, construct or proceed or continue with the erection or construction of any building or structure or add to, enlarge, move, improve, alter, repair, convert, or demolish any building or structure or cause the same to be done in any area of the city or in any newly annexed territory to the city without first applying for and obtaining a building permit therefor from the building official as may be required in applicable city ordinances.