why are debit notes issued 
debit notes can be issued for a few reasons a vendor may create and send their customer a debit note to remind them that there is a payment due for goods and services delivered in other cases a customer may issue a debit note to their supplier about an adjustment to their order including the total amount of goods returned and their value who sends a debit note a debit note is sent by the vendor or supplier to the buyer the document is intended to inform the customer of their debt obligations relating to a purchase order debit notes may also be issued by buyers as a way to let the vendor know that goods received are being returned 