iStock welcomes all experience levels of illustrators, but reserves the right to decline files based on the following criteria:
•Incorrect File Formats
•Missing File Extensions
•Innacurate Metadata
•Lack of Editability
•Duplicate Uploads
•Derivative Artwork
•Autotraces
•Use of Fonts or Dingbats as Primary Subjects
•Unconverted Fonts
•Stray Points and Shapes
•Open Shapes
•Unconverted Custom Fills and Strokes
•Copyright
•Overly Simplistic Renderings