Bulk Change Request—Choose a File Format.
Select Multiple Category if your change request includes two or
more categories. For example, if you want to recategorize half of
the URLs in your list to business-and-economy and
the other half to personal-sites-and-blogs.
Then,
click Choose File, and select a CSV file
to upload. The file should have one change request per line in this
format: <URL>,<first suggested category>,<second suggested category>,<(optional) comment>.
The file cannot exceed 1000 entries or be larger than 1MB. Optionally,
leave a Comment about your request.