Your client's account receivables department has a requirement to automatically re-charge customers for the difference...

This function cannot be combined with other methods

This function cannot be combined with other methods because it is a standalone settlement method that closes the original invoice and creates a chargeback for the value of the claim.A chargeback is a negative invoice that reduces the amount owed by the customer and is applied to the original invoice1.This function is used to settle invalid invoice deductions, such as short payments, discounts, or disputes2.Other settlement methods, such as credit memo or debit memo, are used to settle valid invoice deductions, such as allowances, rebates, or promotions3.