If you’re using your Ziglu card in Europe or the US, but don’t have enough US dollars or euros in your Ziglu account for the payment, don’t worry. As long as you have the full amount in your sterling account, your Ziglu card will automatically pay the full amount from there.
If the full amount of the payment is not in your US dollar or euro account, or in your sterling account, the payment will be rejected - even if the combined value of your euro and sterling balances is enough to cover the payment.