You can pay your bill/invoice online in the My BASE app or on My BASE.
In the My BASE app
Open the app > Click "Billing" at the bottom of the home screen > Click "Pay remaining balance".
On My BASE
Go to My BASE > On the home page, click on "Invoices" > Under the balance, click on the "Pay.
Now" button
Do you pay your invoices/bills via direct debit? The payment will be performed automatically. As a result, you do not have to worry about this at all.
Read more about payments via direct debit and how to activate it.