How to Add a Credit to an Invoice or Bill Rachael Mersky January 07, 2022 19:28 Updated Follow Here is a short video on how to add a credit to a sales order invoice or a purchase order bill. Related articles How do I post partial payments on an invoice? How to add an invoice and invoice payment to a sales order? Invoice How to add a bill to a purchase order How do I create a sales return? Comments 0 comments Please sign in to leave a comment.