Section 56(4) in The Central Goods and Services Tax Rules, 2017
(4)Every registered person, other than a person paying tax under section 10, shall keep and maintain an account, containing the details of tax payable (including tax payable in accordance with the provisions of sub-section (3) and sub-section (4) of section 9), tax collected and paid, input tax, input tax credit claimed, together with a register of tax invoice, credit notes, debit notes, delivery challan issued or received during any tax period.
