Automatic Receipts Funds Capture process with Bank Account Transfers and Credit Cards

I am trying to configure in Oracle Payments Setups a combined Payee that proceses Credit Cards via a Gateway Provider and ACH or Bank Account Transfers via Processor of which will be a local file delivery. I have gotten each process to work independently in test under seperate Payees. But you can only have 1 Payee per operating unit, so I was trying to inactive one payee and move the Payment System and Payment System Account over to the other Payee. The issue I am having is the forms do not seem to allow the Payment System Accounts to be