Except as specified in subsection (b) of this section, every vehicle used by a hauler to collect, transport, or dispose of waste must be identified as specified in this subsection. The name and business telephone number of the hauler must be displayed:on both sides of the vehicle; and in lettering that:conspicuously contrasts with its background; and is of a size, shape, and color to be readily legible, during daylight hours, from a distance of 50 feet while the vehicle is stationary. The required display may be on removable devices. Every vehicle used by a small hauler must have its license displayed inside the vehicle in a way that is visible at all times from outside the vehicle. City Code, 1976/83, art. 11, §269(d), (h) Ord. 99-548