When the customer returns the merchandise to the supplier or seller of the merchandise in case the product is damaged or expired, a letter of credit will be issued. It is issued to the customer or buyer of the merchandise. Credit notes can be used to pay for future purchases for this particular customer. It is only valid when the invoice is issued. It can be seen as a negative invoice. Generally, users only issue credit notes when they cannot refund an invoice that has already been issued. 

Steps to generate Credit Note;

1. Click on the Credit Note in the left panel of the dashboard.
2. Enter details like Customer, Subtitle if needed, Task, and the rate. 
3. After entering the required information, save it and it will be auto-selected as unused. 

4. Credit Note can directly be added to Invoice. To duplicate an Invoice to credit Note Go to that specific Invoice > Click on the three dots at the right top corner > Click on Duplicate > Select  As credit note.

-Moon Invoice