Should i use debit note or credit note?

vinayak c. chavan (CPT passed) (1011 Points)

10 May 2012  

We are a Pvt.Ltd. company dealing in software sales & services? One of our customer want to replace one product with another product. In this case what should i issue them Debit note or credit note? If your answer is Debit note then what type of VAT should I select in it? While booking sales I selected Output Vat 5% then what type of VAT should be selecetd while nooking stock replace? Should I select output VAT ? What would be effect pf this transaction overall?