At an existing office building campus, signage indicating an outdoor smoking ban is posted at all building entrances. The signs indicate the ban on smoking within 7.5 m (25 ft) of all building entrances, operable windows, building air intakes, and regularly occupied exterior building spaces. What signage must be added to the courtyard areas more than 7.5 m (25 ft) from building entrances to meet the requirements of Feature 02 Smoking Ban?