Credit Reason To be able to select a credit reason on credit notes credit reasons applicable to your business needs to be created first To add or edit a credit reason go to: Debtors module> Configuration>  Add. Debtor Properties> Credit Reason Click the tab Credit Reason Click Add to create a new Credit Reason Enter a Code and Description Click Save and close or, Save and New to add another Credit reason Once all reasons have been setup, this will allow the user to select the applicable reason for the credit note when capturing a credit note.