Isha Purohit

Published on: Jun 24, 2026

What Is Monthly Return In Gst?

Monthly returns are a vital part of the GST system. Taxpayers must file monthly returns as they help the authorities monitor the taxpayers' compliance with the GST laws. This article will discuss monthly returns in GST and form GSTR-3B in detail.

What is a monthly return under GST?

The GST Law requires all registered taxpayers to

file GST returns

monthly / quarterly to report the details of their sales and purchases, tax liability, and other details. The GST amount can be paid online or offline. The taxpayer must provide all the details of their sales and purchases in the returns. This includes the total taxable value, the GST rate and the amount of tax paid. The returns are divided into three parts: GSTR-1, GSTR-2 and GSTR-3.

  • GSTR-1 is the return for outward supplies, which the taxpayer files.
  • GSTR-2 is the return for inward supplies, which the supplier files.
  • GSTR-3 is the summary return of both GSTR-1 and GSTR-2.

One of the returns required under the GST law is

GSTR-3B

. GSTR-3B is a return that reports the overall revenue and tax liability using outward supplies and input tax credit.

What is GSTR- 3B?

GSTR-3B is a monthly GST return that all registered taxpayers file. It includes details of the previous month's sales and purchases, along with the taxes paid on them and other details. GSTR-3B is a simple form that contains the details of the taxpayer’s sales and purchases, the taxes paid and collected, and the liabilities to be paid or refunded. It also includes the details of the input tax credit (ITC) claimed by the taxpayer and any other taxes and duties paid. The details in GSTR-3B are to be filled as per the information provided in the previous GST returns filed by the taxpayer. The taxpayer must include the details of the sales and purchases made in the previous month and the taxes paid or collected on them. The taxpayer must also provide details of the ITC claimed and the taxes and duties paid.

When to file GSTR-3B?

The GSTR-3B is to be filed on or before the 20th day of the following month. The taxpayer can file the return online or offline. Once the return is filed, the taxpayer must pay any outstanding tax liabilities within the

due date

. In conclusion, GSTR-3B is an essential monthly return for all registered taxpayers under the GST law. It helps track the sales and purchases made in the previous month and the taxes paid and collected on them. Filing the GSTR-3B on time is essential for all taxpayers as it helps to file the other GST returns accurately.

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Frequently Asked Questions

Common questions about Monthly GST Returns and GSTR.

GSTR-3B is a monthly GST return that all registered taxpayers must file. It includes details of the previous month's sales and purchases, along with the taxes paid and collected on them, input tax credit claimed, and other relevant information.
Filing GSTR-3B is crucial because it helps track the sales and purchases made in the previous month and the taxes paid and collected on them. It also ensures that the taxpayer complies with the GST laws and files other GST returns accurately.
The due date for filing GSTR-3B is the 20th of the following month. For example, if you need to file the return for the month of April, the due date would be May 20th.
GSTR-3B can be filed online or offline. The taxpayer can log in to the GST portal and file the return electronically or submit the physical form to the concerned authorities.
GSTR-3B requires details of the taxpayer's sales and purchases, the taxes paid and collected, input tax credit claimed, and any other taxes and duties paid. The details should be filled as per the information provided in the previous GST returns filed by the taxpayer.
If GSTR-3B is not filed on time, the taxpayer may be liable to pay late fees or penalties. Timely filing of GSTR-3B is essential to avoid any legal consequences and ensure compliance with the GST laws.
Yes, GSTR-3B can be revised or amended in case of any errors or omissions. The taxpayer can file an amended GSTR-3B within the prescribed time limit.
No, GSTR-3B is not the only monthly return required under GST. There are other returns like GSTR-1 (for outward supplies), GSTR-2 (for inward supplies), and GSTR-3 (a summary return) that taxpayers need to file.
GSTR-3B is a summary return that includes details from other GST returns like GSTR-1 and GSTR-2. The information provided in GSTR-3B should be consistent with the details furnished in these other returns.
Yes, GSTR-3B can be filed without filing GSTR-1 and GSTR-2. However, it is recommended to file all the required returns to ensure accurate reporting and compliance with the GST laws.