In the part two of the screen you can see a link to outstanding invoice. To arrange payment please follow the link.
Once you click on the link you will see the PalPal invoice. Please click on the blue button at the top to pay.
Once you click on the Pay button the following window will pop up prompting to Log In if you have a PayPal account or simply press grey button below Pay with Debit or Credit card.
When you press Pay with Debit or Credit card button it will redirect you to the standard pay by card window. There you can proceed with the payment as usual.
Once payment is received invoice will be marked as paid in Billing section.