Purchase Plus sends several types of notification emails:
Requisition Approval Request
Flagged Invoice Approval (daily)
1. Click on your name in the top right of the screen and select the [My User Account] option.
2. In the [Organisations] tab, tick or deselect the [Notifications] checkbox for the organisation' notifications you want to change. Hit 'Enter' on your keyboard to save this change.
You have now turned your notifications on or off.