Allowed to Edit Prepared Date and Time Permission
Allowed to Edit Prepared Date and Time is an app permission that gives managers and users the ability to adjust the date a menu item was prepared which will automatically adjust the set expiration date on a label. See Understanding the Print Preview Page
When this permission is turned on, the EDIT PREPARED DATE (calendar icon button) will appear on the print preview screen of a menu item within the app notification bar.
User type permissions can be changed by Portal Administrators under the Users tab in the portal. See How to Update Permissions.