When a creditor is owed a debt by the bankruptcy filer and the bankruptcy filer is owed a debt from the creditor and consequently creating a mutual obligation, the creditor can setoff the mutual debt. This means, instead of the creditor paying their debt to the bankruptcy filer the creditor can setoff (subtract) that amount from the amount owed to them by the bankruptcy filer.

Chapter 13 Bankruptcy and Setoffs in Minnesota | LifeBack Law Firm
When a creditor is owed a debt by the bankruptcy filer and the bankruptcy filer is owed a debt from...