Section 505.1 of the International Fire Code is hereby amended and shall read as follows:

505.1 Address identification. New and existing buildings shall be provided with approved address identification. The address identification shall be legible and placed in a position that is visible from the street or road fronting the property. Where access is by means of a private road and the building cannot be viewed from the public way, a monument, pole or other sign or means shall be used to identify the structure. Where required by the fire official, the address numbers shall be illuminated by an approved light source. The fire code official is authorized to require address identification in additional approved locations to facilitate emergency response. Address identification shall be maintained.

505.1.1 Address identification characters. Address characters shall contrast with their background. Address numbers shall be Arabic numbers or alphabetical letters. Numbers shall not be spelled out. Each character shall be not less than four (4) inches high with a minimum stroke width of 1/2 inch for residential occupancies. Each character shall be not less than six (6) inches high with a minimum stroke width of one (1) inch for commercial occupancies.

505.1.2 Secondary address numbers. Multi-tenant retail shopping centers in which tenant spaces have secondary entry doors from the exterior façade of the building and have paved vehicle access adjacent to such doors shall have approved numbers or addresses placed on or adjacent to each door. Secondary address numbers shall be a minimum of four inches (4") in height.

505.1.3 Buildings under construction. Prior to beginning construction of any building for which an address number is required, numbers shall be posted in a conspicuous place on the front of the lot and shall be maintained throughout construction until the permanent address numbers are installed.