Customer hierarchy allows the sharing of payment methods.
Once a hierarchy is created, and the parent has a payment method, that payment method becomes available to be shared with its children.
The default payment method of an ancestor becomes the payment method of any child customer when created. You can manage payment methods within the customers to view and change payment methods.
To change the default payment method, click the ellipses and click Make default.
To manage the sharing of payment methods, click the ellipses and click Sharing. From the sharing screen, you can filter to find and modify the sharing of payment methods to any child accounts.