You can attach a file to a submission by adding it as part of a note:
To attach a file:
- In the Submissions tab, click on the appropriate submission to open the Submission Details page.
- Click the Attach File button in the Activity & Rating sidebar on the right-hand side of the page. Choose the file you'd like to attach.
- Type a note or description of the file into the Add note... box.
- Select the Visibility of the note (who can view it).
- Click the Add Note button to save the note and attachment.
(This feature is only available to organizations, not to submitters.)