As used in this article, the following terms shall have the meanings indicated:
BUILDING-Includes all houses, dwellings, stores, business places and other buildings which front on any street in the township or which exist on any tax lot in the township.
STREET-As defined in 50-3 of this code.

The Municipal Engineer shall plot on the House Numbering Map of the township all of the properties which now or hereafter front on or have ingress or egress from any street and shall designate and assign a number therefore.

A. The owner in possession of any building for which an official number is designated shall be required at his or her own expense to place the official number in a conspicuous place so that it is clearly visible from the public street upon which ingress or egress may be gained. The number shall be placed in such a location as to make it clearly evident which driveway provides ingress and egress to the building so numbered. Numbers placed on mailboxes for mail delivery purposes shall not satisfy the requirements of this article unless the location of said mailbox is immediately adjacent to and on the same side as the driveway providing ingress and egress.

B. The house number numerals shall be of a size sufficient to be readily seen and interpreted from the public roadway, but in no event smaller than three inches in height, and shall preferably be of a reflectorized material on a contrasting background.

C. The number may be placed on the building, provided that it can be seen and read from the public road; otherwise, if the building is set back one hundred feet or more, the number must be placed near the intersection of the driveway with the public road.

D. In the case of a commercial unit within a shopping center, the number must be readily visible from the main traffic circulation aisle of the center. The color of the numeral shall be in sharp contrast to the color of the background, and it shall be of bright or reflective material so as to be readily visible at night when a light is cast upon it.