Concepts Tasks Settings Credit Memos Contents Entering a Credit Memo Adding Lines to a Credit Memo for Returned Items Adding Unmatched Lines to a Credit Memo Adding Price Adjustment Lines to a Credit Memo Posting a Credit Memo A credit memo is used to credit your organization for a previously entered invoice. Common reasons why a credit memo is issued are the wrong price was charged on the original invoice, the quantity was incorrect on the original invoice, the wrong material was shipped, or the material was sub-standard and was returned. The topics in this section explain how to create and work with credit memos.