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What is GSTR-1 and who should file it?

14-Mar-2026
GST

Answer By law4u team

GSTR 1 is a return under the Goods and Services Tax system in India that contains details of outward supplies made by a registered taxpayer during a particular tax period. Outward supplies mean sales of goods or services provided to customers. This return includes invoice wise details of sales, debit notes, credit notes, and export transactions. The legal requirement for filing GSTR 1 is prescribed under the Central Goods and Services Tax Act, 2017 and related GST rules. GSTR 1 must generally be filed by every person who is registered under GST as a regular taxpayer and who makes taxable supplies. This includes businesses providing goods or services within the state, interstate sales, and exports. However persons registered under the composition scheme, non resident taxable persons, input service distributors, and certain other special categories are not required to file GSTR 1 because they have separate return requirements. The purpose of GSTR 1 is to report sales data to the government and also to allow the buyers to claim input tax credit based on the invoices uploaded by the supplier. The information filed in GSTR 1 becomes available to the recipients in their GST records, which helps in maintaining transparency and tax compliance. The frequency of filing depends on turnover and scheme eligibility. Many taxpayers file GSTR 1 monthly, while small taxpayers may have the option to file it quarterly under the QRMP scheme subject to prescribed conditions. Filing must be done within the due dates to avoid late fees and penalties.

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