All buildings built in accordance with the standards and specifications provided for in this chapter, and containing facilities that are in compliance therewith, shall display the following symbol which is known as the International Symbol of Access.

Such symbol shall be white on a blue background and shall indicate the location of facilities designed for the physically disabled or elderly. When a building contains an entrance other than the main entrance which is ramped or level for use by physically disabled or elderly persons, a sign with the symbol showing its location shall be posted at or near the main entrance which shall be visible from the adjacent public sidewalk or way.