Once all the audit activities have been completed, and any resulting CA/PAs or incidents have been closed, the audit itself should be closed.
To do this:
icon above the summary section. The Closed By and Closed Date fields will be completed with your name and today's date, although you can change this information if required.
Once you close the audit, you will not be able to make any changes to it. If you wish to reopen the audit:
icon above the summary section.