The name of the livery company may be permanently affixed or painted on the exterior
of livery vehicles in letters not exceeding two inches in height. No other legend
or wording shall be affixed to or painted on such vehicles, except for license plates
and stickers. Any other sign or emblem to be placed or affixed on a livery vehicle
must be approved by the director prior to use. Once a sign or emblem has been approved,
it shall be used on all vehicles at all times while any vehicle is being used to provide
transportation services. Each livery vehicle and sightseeing vehicle must provide
information on how to contact the city to make a complaint.