(38) “debit note” means a document issued by a registered person under sub-section (3) of section 34;
A debit note should be issued by a supplier in the following circumstances:
(a) The taxable value shown in the invoice is lesser than the taxable value of the supply; or
(b) The tax charged in the invoice is less than the tax payable on the supply.
The following aspects need to be noted:
Where there is no change in the taxable value/ tax amount, a debit note need not be issued;
A debit note has to be issued by the supplier. A debit note issued by a recipient, say for accounting purposes, is not a relevant document for GST purposes;
The details of the debit note have to be declared by the supplier in the return of the month of the issue of debit note;
Debit note includes a supplementary invoice