GSTR-3B is a monthly (or quarterly for QRMP) self-declaration summary return under GST used to report summarized outward supplies, input tax credit (ITC) claims, and pay taxes. It is not invoice-based, but a consolidated report required by most registered taxpayers to discharge their monthly tax liabilities.
GSTR-1 and GSTR-3B differ primarily in their content and filing frequency. GSTR-1 provides detailed information about outward supplies and can be filed either monthly or quarterly, depending on the business's turnover. In contrast, GSTR-3B is a monthly summary return that offers an overview of both sales and purchases.
GSTR-3B is a monthly summary return that must be filed by the 20th of the following month, or by the 22nd or 24th in case of quarterly filers.
What is GSTR 3B? GSTR-3B is a self-declared summary GST return filed every month (quarterly for the QRMP scheme). Taxpayers need to report the summary figures of sales, ITC claimed, and net tax payable in GSTR-3B. A separate GSTR-3B must be filed for every GSTIN.
1. What is Form GSTR-3B? Form GSTR-3B is a simplified summary return and the purpose of the return is for taxpayers to declare their summary GST liabilities for a particular tax period and discharge these liabilities. A normal taxpayer is required to file Form GSTR-3B returns for every tax period.
Taxpayers are required to declare their GST liabilities for a particular tax period and discharge these liabilities in Form GSTR-3B. A normal taxpayer is required to file Form GSTR-3B return for every tax period applicable. Taxpayer has to file Form GSTR-3B even if there is no business activity (Nil Return).
Meaning of GSTR-2B vs GSTR-3B
On the other hand, GSTR-3B is a self-declared, monthly return that summarises a business's outward supplies, ITC claims, and total tax liability for that month. While GSTR-2B serves as a reference for available ITC, GSTR-3B is crucial for reporting monthly tax liabilities.
First, log in to gst.gov.in. Then navigate to Returns and open GSTR-3B. Fill in the required details, pay the tax if applicable, and submit using DSC/EVC.
If a regular GSTR-3B return is filed 10 days late, the late fee is ₹500 (₹50 x 10 days), split equally between CGST and SGST. For a nil return delayed by 10 days, the late fee is ₹200 (₹20 x 10 days).
GSTR-1 and GSTR-3B are meaningful returns that businesses must file correctly and on time to follow GST rules. GSTR-1 shows what the taxpayer sells, while GSTR-3B summarises all sales, purchases, taxes owed, and credits claimed.
Features & Benefits of GSTR-3B
The Annual aggregate turnover (AATO) in current and preceding FY (if applicable) is up to ₹ 5 Cr. The Form GSTR-3B return for most recent tax period has been filed.
Here are the steps that one needs to follow to view and check GST return status:
All taxpayers who have registered under the GST regular scheme are required to file GSTR-3B. Every taxable individual who has registered is required to submit GSTR-3B on a monthly / quarterly basis. It includes the specifics of all inward and outward supplies of products and services.
Types of GST in India
CGST (Central Goods and Services Tax) SGST (State Goods and Services. IGST (Integrated Goods and Services Tax) UTGST (Union Territory Goods and Services Tax)
Example of how interest calculation in GSTR-3B works
Taxpayers can click this button to declare the period wise break-up of GST liability paid. Taxpayers will declare the break-up head wise. Once the break-up is entered, the total of all the periods must equal the total GST liability paid in that return.
Filing of Form GSTR-3B is mandatory for all normal and casual taxpayers, even if there is no business activity in any particular tax period. So, for such tax period(s), the return can be filed as NIL (if all conditions for filing Nil return is satisfied).
GSTR 3B is a simplified summary return and the purpose of the return is for taxpayers to declare their summary GST liabilities for the tax period and the discharge of these liabilities in a timely manner so as to ensure the Central and State Governments receive their revenues in time.
✅ September 2025 (Monthly filers) ✅ Q2 2025 – July to September (Quarterly filers) 🆕 New Due Date: 25th October 2025.
Checklist for Auditing GSTR-3B
Verify reporting of credit and debit notes in the specified format. Check details of advances received and adjusted during the period. Review purchases including taxable, nil rated, exempted, and imports. Validate input tax credit claimed against eligible invoices and GSTR-2B.
Tax Liability: Based on your outward and inward supplies, the GSTR-3B calculates your net GST liability for the month. ITC Claimed: This section summarizes the total ITC claimed on eligible purchases, offsetting your tax liability.
Here is a step-by-step guide to filing GSTR-3B on GST Portal: Step 1 – Login to GST Portal and on the homepage, you can find the return filing status for the last five tax periods. Step 2 – Go to 'Services' > 'Returns' > 'Returns Dashboard'. Step 3 – This displays the 'File Returns' page.
"3B" has several meanings, most commonly referring to a third baseman in baseball, a type of curly hair (Type 3B) with defined ringlets, a pencil lead grade for softer/darker marks than 2B, or a Stage 3b kidney disease (moderate function loss). It can also refer to specific products like AT&T's 3B computers, security panels, or a genetic testing service (3billion).