The 
Approved state can be set to expire on a set date (and time), this is called a Due Date (or an Expiry Date).
Click the clock icon in the Approval Popup:
Set the Due Date (and time) in the dialog and click Save:
Icon colour
The clock icon will change colour to indicate the current status of the due date:
| Icon | Notes |
|---|---|
| The state is not set to expire, but you can add an expiry date |
| The state will expire in 3 or more days |
| The state will expire in less than 3 days |
What happens when a page expires?
The page will return to the 
Review state, the change will be shown in the Page Activity and watchers will receive a notification.