Log in, and then click My Responses for responses you have submitted. Click the event whose response you want to change. Click Actions > Modify Response to place the response into Draft status. Click Actions > Open. The terms and conditions will already be marked as accepted; click Continue. To edit your response to a line, click the Edit Response link. To manage any attachments to your responses, click Continue. When you are done with all your line edits, click Continue through to the Submit Response page. Don’t forget to click Submit to send us your response again. Each time you re-access your submitted response via the Edit Responses link - even if you don’t change anything - it returns to Draft status until you click Submit. Click Done.
If you want to withdraw your response from consideration, select the response and click Actions > Withdraw Response. The response will be visible from My Responses with a status of Withdrawn.