2010 ADA Standards for Accessible Design Pocket Guide
216.3 Directional and Informational Signs.
Signs that provide direction to or information about interior spaces and facilities of the site shall comply with 703.5.
Advisory 216.3 Directional and Informational Signs. Information about interior spaces and facilities includes rules of conduct, occupant load, and similar signs. Signs providing direction to rooms or spaces include those that identify egress routes.