How to settle deduction claim of one customer with overpayment of another customer if the customers

Summary:

How to settle deduction claim of one customer with overpayment of another customer if the customers are related.

This is an actual business scenario where customers are related and they often have cross applications which can be credit memo's , invoice, deductions and overpayments. While in AR, cross- application between customers work through payment of unrelated customer option in setup. But in Channel revenue management the same does not work between deductions and overpayment. Is there a workaround which many customers are following would be good to hear.

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