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A credit note or credit memorandum (memo) is a commercial document issued by a seller to a buyer. The seller usually issues a credit memo for the same or lower amount than the invoice, and then repays the money to the buyer or sets it off against a balance due from other transactions.
A credit note lists the products, quantities and agreed prices for products or services the seller provided the buyer, but the buyer returned or did not receive. It may be issued in the case of damaged goods, errors or allowances. In respect of the previously issued invoice, a Credit Memo will reduce or eliminate the amount the buyer has to pay. Note: A Credit Memo is not to be substituted as a formal document. The Credit Memo rarely contains: PO #, Date, Billing Address, Shipping Address, Terms of Payment, List of products with quantities and prices. Usually it references the original Invoice and sometimes states the reason for issue.
This is received if the goods are incomplete, damaged, or incorrect; customers may also receive one if they paid too much money, or if they had been overcharged.