Under
Manage Applications you will see the received application.
You will then see the application with the applicant's seat history (if any) and application history. Click on the Board in the application history.
Here you
can change the status of the application and add comments. In this case you
want to reject the application you either client on the reject button or if you
want to add a comment write the comment and change status to rejected.
You can
also delete the comment and change the application status back to pending or
whatever status you wish.