Art charges apply when we need to do work to prepare your logo for its final application. That could entail anything from creation or complete redrawing of art (at the high end) to using stock fonts as text (minimal). If artwork is needed (and your rep will inform you), the charge is $35 per hour with a $50 minimum (first hour and $30 each additional hour).
Always send us the best art that you have! Understanding formats and requirements can help to keep costs down.
Here are some examples