You might find you need to record multiple bank accounts for the same counterparty. A reason for why could be that your counterparty needs to receive or send funds for different uses and keep them separated.
Once you’ve signed up a counterparty, you can view existing details and past payment orders, as well as add additional bank accounts.
You will want to click "Add or Update Bank Accounts" at the bottom of the "Bank Accounts" tab:
From there, you will want to fill in the form for the additional account.
In order to ensure you are using the right account, you will want to ensure you record the external account IDs to be used for each specific purpose.