Please click the [pay now] button next to the currency that your invoice is payable in.
In the next screen you can change the “quantity” field to the appropriate amount.
For example, if you want to pay £130 then click the [pay now] and in the next screen you can change the “Quantity” from 1 to 130 and click “Update”.
Please enter the invoice number so I know who the payment is from.
Payments in UK Pounds