Original Art Murals permitted under Title 4 (Original Art Murals) and the accompanying Mural Administrative Rules are defined as a hand-produced work of visual art that is tiled or painted by hand directly upon, or affixed directly to an exterior wall of a building. A mural permitted under Title 4 does not include: 

• mechanically produced or computer generated prints or images, including but not limited to digitally printed vinyl;
• murals containing electrical or mechanical components; or
• changing image murals.

Murals that do not fit within this definition and do not receive an Original Art Mural Permit are considered signs and regulated by Title 32 (Signs and Related Regulations)