Is it possible to do Cash Receipts without referencing a Bank Account

Imagine a bank account where multiple transaction types are deposited. I am trying to split one of these transaction types into a discrete process. Presently Journal entries record all the transactions to the G\L and then at month end there is a 3rd party product which reconciles the bank activity to the G\L activity for the cash account in question. In short, the banking subledger is NOT managing the activity and balance of the account. As mentioned I am trying to spin off one of the transaction types into A/R but I am at an impasse because Cash Receipts