We have different supplier sites where we need to use the same ACH bank setup

Summary:

We have different supplier sites where we need to use the same ACH bank setup, we get an error message that this information already exists and are not allowed to save the set up. As a workaround, when we get this error, we set up the bank account number with a different number, save, then change the bank account number to the correct one. Is there another way we should be handling this? In these scenarios, we have 2 separate Suppliers set up, when setting up the sites for the 2 separate Suppliers, we are trying to use the same