When a tax invoice has been issued for supply of any goods or services or both and the taxable value or tax charged in that tax invoice is found to be less than the taxable value or tax payable in respect of such supply, the registered person, who has supplied such goods or services or both, shall issue to the recipient a debit note containing the prescribed particulars.
Any registered person who issues a debit note in relation to a supply of goods or services or both shall declare the details of such debit note in the return for the month during which such debit note has been issued and the tax liability shall be adjusted in such manner as may be prescribed.
Where a tax invoice has been issued for supply of any goods or services or both and the taxable value or tax charged in that tax invoice is found to exceed the taxable value or tax payable in respect of such supply, or where the goods supplied are returned by the recipient, or where goods or services or both supplied are found to be deficient, the registered person, who has supplied such goods or services or both, may issue to the recipient a credit note containing such particulars as may be prescribed.
Any registered person who issues a credit note in relation to a supply of goods or services or both shall declare the details of such credit note in the return for the month during which such credit note has been issued but not later than September following the end of the financial year in which such supply was made, or the date of furnishing of the relevant annual return, whichever is earlier, and the tax liability shall be adjusted in such manner as may be prescribed.
The records of the credit notes and debit notes have to be retained until the expiry of 72 months from the due date of furnishing of annual return. Where such accounts and documents are maintained manually, it should be kept at every related place of business mentioned in the certificate of registration and shall be accessible at every related place of business where such accounts and documents are maintained digitally.