1. Section 35 of CGST Act 2017

Every registered person shall maintain at its principal place of business, the following records:

1. Production or manufacture of goods
2. Inward and outward supply of goods or services or both
3. Stock of goods
4. Input tax credit availed
5. Output tax payable and paid and
6. Other particulars as may be prescribed

In addition to the particulars mentioned above, a true and correct account of the goods or services imported or exported or of supplies attracting payment of tax on reverse charge along with relevant documents, including invoices, bills of supply, delivery challans, credit notes, debit notes, receipt vouchers, payment vouchers, refund vouchers and e-way bills.

Every owner or operator of go down or warehouse and transporter, irrespective of whether he is registered or not, is required to maintain records of the consignor, consignee and other relevant details.

2. Section 36 of CGST Act 2017

It is mandatory for all the registered taxpayers to maintain the book of records and accounts for a period of 72 months from due date of the filing of the annual returns for the year. However, if the taxpayer is involved in an appeal of the revision or any other proceeding before any Revision Authority.