COSS will only accept the documents that meet the following criteria:

  • Documents must be valid (please check the issue date);

  • Photos/scans of both sides of the documents should be uploaded;

  • Scanned images should be in color and high resolution (at least 300 dpi);

  • Allowed formats: JPG, GIF, PNG, TIFF or PDF;

  • File size should be no more than 5 MB;

  • Photos/Scans should not be older than 3 months