Step 1 - Select the three-bar menu icon highlighted

Step 2 - Select the option "History" on the sidebar

Step 3 - This page will show all receipts for any payments made, select the receipt you would like a receipt for

Step 4 - This will bring up the details of the parking session, now select "View Receipt" highlighted below

Step 5 - This is your full VAT receipt, you have the option to export this by selecting the arrow highlighted below