How to record customer deduction in Oracle AR, besides Chargeback Process in AR

Summary:

Currently, whenever a customer takes a deduction on a receipt, in order to record that deduction, we have to short pay invoices(Applied to tat receipt equivalent to that $ value and create a chargeback. However, this is causing discrepancy between our AR and customer's AP records. Is there any other way to record customer deductions?

Content (required):

Currently, whenever a customer takes a deduction on a receipt, in order to record that deduction, we have to short pay invoices(Applied to tat receipt equivalent to that $ value and create a chargeback. However, this is causing discrepancy between our AR and customer's AP records. Is there any other way to record customer deductions?