[Ord. 557, 1/13/1988, § 1]
1. 
When used herein person shall mean and include any person, firm, association, partnership, group or corporation and include the plural as well as the singular.
2. 
When used herein building shall mean and include any structure, building, or portion of a building, intended for residential, mercantile, business, factory, industrial, high hazard, institutional, storage, assembly, temporary, miscellaneous, or other use, which is identified in Township records by a building number assigned at the time of construction or subsequently. Provided the term shall not include an accessory building located upon the same lot as a main building subject to the provisions of this Part, and not individually identified by a street address number in the Township records.
3. 
When used herein building number shall mean the street address number assigned to a particular building, structure, or portion of a building, by the Township of Darby in the manner such numbers are currently assigned.
[Ord. 557, 1/13/1988, § 2]
On and after the approval of this Part it shall be the duty of the owner or occupant of every building in the Township of Darby to cause the same to be numbered in accordance with the requirements of this Part. The Building Inspector shall be charged with the duty of assigning numbers to all buildings subject to the provisions of this Part, as well as the enforcement of all remaining provisions of this Part.
[Ord. 557, 1/13/1988, § 3]
It shall be the duty of the owner or occupant of any building in the Township of Darby to ascertain the building number assigned to such building. A record of building numbers shall be maintained by the Township and made available to the public during normal business hours to facilitate compliance with this Part.
[Ord. 557, 1/13/1988, § 4]
The owner or occupant of any building in the Township of Darby shall cause the building number to be posted and maintained in conformity with the following standards:
A. 
Numbers shall be posted on a contrasting background; either light or dark on light.
B. 
Numbers should be of sufficient size, and so positioned, that they can be easily seen from the street. The minimum size of building numbers shall be three inches in height.
C. 
If the building is a distance from the street, numbers should be posted on a fence or column at the entrance to the property.
D. 
Numbers shall be posted in the front and rear of all row homes.
E. 
If the building is located on a corner lot, building numbers should face the street to which they relate.
[Ord. 557, 1/13/1988, § 5; as amended by Ord. 572, 10/10/1990]
Any person who shall number any building contrary to the provisions of this part, or the instructions of the Building Inspector or his representative, and who shall fail or neglect to number a building within 30 days after receipt of written notice to do so from the Township, shall be subject to a fine or penalty not in excess of $600 and costs, or in default of payment thereof, shall be subject, to imprisonment for a term not to exceed 30 days. Each day that a violation of this Part continues shall constitute a separate offense.
[Ord. 557, 1/13/1988, § 6]
Buildings presently constructed shall, within 90 days, comply with the provision of this Part.
[Ord. 557, 1/13/1988, § 7]
The provisions of this Part shall be specifically applicable prior to the issuance of a Certificate of Occupancy in the Township. No Certificate of Occupancy shall be issued unless the Building Inspector has approved the numbers installed at the proper locations.