Section 505.1 of the IFC is deleted in its entirety and replaced as follows:

(1) New and existing buildings shall have approved address numbers, building numbers or approved building identification placed in a position that is plainly legible and visible from the street or road fronting the property. Address numbers shall meet the following requirements:

(a) Contrast with their background;

(b) Arabic numerals or alphabetical letters;

(c) Sized pursuant to Table 30.53A.513(1), except the minimum size for commercial occupancies is six inches; and

(d) Minimum stroke width of 0.5 inch (12.7 mm).

(2) 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.