4.3.1. The uses of land and the erection, alteration, and use of buildings or structures shall be limited to:

4.3.1.1. Uses lawfully established and existing on the effective date of this ordinance;

4.3.1.2. Uses permitted in the zoning district in which the land, building or structure is to be located;

4.3.1.3. Special uses in the zoning district in which the land, building or structure is to be located;

4.3.1.4. Nonconforming uses and those uses rendered nonconforming under the provisions of this comprehensive amendment, each of which shall be subject to the regulations of Article Seventeen on nonconforming uses.

4.3.2. No application for a building permit or other permit or license, or for a certificate of occupancy, shall be approved and no permit or license shall be issued by any village department, which would authorize the use or change in use of any land or building contrary to the provisions of this ordinance, or the erection, moving, alteration, enlargement or occupancy of any building designed or intended to be used for a purpose or in a manner contrary to the provisions of this ordinance, except that:

4.3.2.1. Where the construction of a building or structure has begun prior to the effective date of this ordinance and is being diligently brought to completion, said building or structure may be completed and occupied; or

4.3.2.2. Where a building permit for a building or structure has been issued in accordance with the law prior to the effective date of this ordinance, said building or structure must be started within six months after said permit was issued and diligently prosecuted to completion, in accordance with approved plans on the basis of which the building permit was issued; and, further, may upon completion be occupied under certificate of occupancy by the use originally designated, subject to the provisions of Article Seventeen, on nonconforming uses.

4.3.3. In every zoning district, every building hereafter erected or structurally altered shall be located on a lot, and there shall be not more than one principal building on a lot, except as otherwise provided in this ordinance.

4.3.4. More than one industrial, commercial, multiple-dwelling or institutional building may be erected upon a single lot or tract, provided they are developed as a unified development, but the yards and open spaces required around the boundaries of the lot or tract shall not be encroached upon by any building.

4.3.5. Outlots.

4.3.5.1. No outlot shall be occupied by more than one building.

4.3.5.2. No building located on an outlot may be utilized for more than one use.

4.3.6. Residential room additions. Residential room additions shall be permitted, subject to the following conditions:

4.3.6.1. Room additions shall not cause the dwelling to exceed the floor area ratio (FAR) requirements for the zoning district in which the property is located.

4.3.6.2. Rood [room] additions shall be separated from the original building by a common wall with a doorway or an opening. Separation by a corridor and/or a stairwell is not permitted.

4.3.6.3. A room addition shall not be to create an appearance of an independent structure and/or a possibility of conversion into a second dwelling unit.

4.3.6.4. A room addition shall not contain a kitchen, unless a kitchen is being removed from an original building.

(Ord. No. 91-17, § II, 3-19-91; Ord. No. 96-21, § I, 3-5-96; Ord. No. 2004-112, § II, 12-7-04; Ord. No. 2012-036, § 1(Exh. A), 6-19-12)