If you are looking to delete an invoice/supplier statement from your inbox it will first need to be rejected.
Please click the box beside the relevant invoice/supplier statement as seen below:
Once selected, an action box will appear at the top of the page. Click on this and select 'Reject'.
The invoice will now move to the rejected tab within your company folder.
Click on this tab, and from here you can delete the invoice by selecting the blue trash can icon as seen below: