I understand that it's necessary to safeguard your customers' bank accounts for security reasons, @Vichka. I'm here to give you some updates on the feedback that has been submitted to us.

You will receive a confirmation when you send feedback in QuickBooks Online indicating that it's sent successfully. It appears as follows:

The ability to remove the customer's credit card number from QBO is still unavailable. As an alternative, you can either exchange out its number for a non-transactional card or combine it with a customer account that has no credit card information. Learn how to delete your customers' credit card information from QuickBooks Payments with this step-by-step instruction.

In addition, the implementation of the suggestions will rely on how many users made them. To read latest announcements, visit our website, or contact our Customer Care Support for any specific updates.
 

If everything is in order and you want to bill your clients, follow these instructions: Create invoices in QuickBooks Online.

If you need additional assistance with this or with QuickBooks, keep us posted so we can help you right away. Keep yourself safe always.