No. If you have accidentally clicked the Refresh Reports button, you will need to wait until the following day to sign off.
For more information, see the HEIMS Online Verification user guide.
Need more help? HEIMS.datacollections [at] education.gov.au (subject: FAQ%20Feedback%20%22I%20accidentally%20clicked%20the%20Refresh%20Reports%20button%20on%20my%20Verification%20report.%20Is%20there%20any%20way%20to%20override%20the%20refresh%20process%20so%20that%20I%20can%20sign%20off%20today%3F%22) (Email us)