Corel Draw – CDR (Up to version 16) – Line Drawing with text converted to curves / paths
PDF’s (Adobe Portable Document Format) may be submitted if the artwork / logo was created in vector format, and the fonts were converted to curves before saving to PDF format
Some Jpegs – JPEG, Bitmaps as long as they are over 600dpi – lower resolution that this usually produces unacceptable results
Logos that are entirely in one solid darker color, e.g. red or blue, may be useable