Explore the complete guide to GSTR-3B, including due dates, late fees, filing process, and eligibility criteria for the financial year 2025-26.
What is GSTR 3B?
Who should File GSTR 3B?
GSTR-3B Due Dates
Late Fee & Penalty for GSTR-3B
GSTR-3B vs GSTR-2A & GSTR-2B: Comparison
GSTR-3B vs GSTR-1: Comparison
How to File GSTR-3B on Clear GST Software?
FAQs on GSTR-3B
GSTR-3B is a monthly self-declared summary GST return.
Purpose of GSTR-3B
GSTR-3B serves as a summary return for reporting sales, tax liabilities, and ITC claims.
It is a summary return filed monthly or quarterly under the QRMP scheme.
Includes details of outward supplies and tax liabilities.
Facilitates the payment of GST liabilities.
Key Features
Understanding the essential features of GSTR-3B.
Non-editable sales figures in Tables 3.1 and 3.2.
Mandatory filing even for zero liability.
No revision allowed once filed.
Recent Updates
Latest changes applicable from FY 2025-26.
Hard locking of auto-populated liability from July 2025.
System-generated values in Table 3.2 are non-editable.
New advisory on reporting in Table 3.2 dated 5 December 2025.
Example Calculation
Illustrative example of tax liability calculation.
Suppose a taxpayer has a total sales of ₹10 lakh.
Output tax liability is ₹1.8 lakh (18% GST rate).
ITC claimed is ₹1 lakh, net tax payable is ₹80,000.
Eligibility criteria for filing GSTR-3B.
Mandatory Filers
Entities required to file GSTR-3B.
All registered taxpayers under GST.
Includes regular taxpayers and casual taxable persons.
Excludes composition scheme taxpayers.
Exemptions
Entities exempt from filing GSTR-3B.
Taxpayers under the Composition Scheme.
Input service distributors.
Non-resident taxable persons.
Special Cases
Special filing requirements for certain taxpayers.
Non-resident suppliers of OIDAR services.
Taxpayers with zero liability must file a Nil return.
Entities under the QRMP scheme file quarterly.
Consequences of Non-Compliance
Penalties for failing to file GSTR-3B.
Late fees of ₹50 per day, ₹20 for Nil returns.
Interest on delayed payment of tax liabilities.
Possible cancellation of GST registration.
Important deadlines for filing GSTR-3B.
Monthly Filers
Due dates for taxpayers filing monthly returns.
Due by the 20th of the following month.
Applicable to regular taxpayers.
Ensures timely payment of GST liabilities.
Quarterly Filers
Due dates for taxpayers under the QRMP scheme.
Due by the 22nd or 24th of the month following the quarter.
Depends on the state or UT of operation.
Facilitates ease of compliance for small taxpayers.
Extension Notifications
Instances when due dates are extended.
Central Tax notification may extend deadlines.
Example: March 2026 due date extended to 21st April 2026.
Check GST portal for latest updates.
Three-Year Filing Limit
Restriction on filing past due dates.
Cannot file GSTR-3B after three years from original due date.
Applies from July 2025 tax period onwards.
Ensures timely compliance and record-keeping.
Understanding penalties for late filing of GSTR-3B.
Late Fee Structure
Details of late fees applicable for delayed filing.
₹50 per day for regular returns.
₹20 per day for Nil returns.
Capped at a maximum of ₹5,000.
Interest on Late Payment
Interest charges for delayed tax payments.
18% per annum on outstanding tax liability.
Calculated from the due date until payment.
Interest is auto-calculated on the GST portal.
Re-Compute Interest Feature
New tool for recalculating interest.
Available in Table 5.1 of GSTR-3B.
Use if discrepancies in auto-calculated interest.
Ensures accurate interest computation.
Impact of Non-Compliance
Consequences of failing to pay late fees and interest.
Accumulation of penalties over time.
Potential legal action and fines.
Adverse impact on GST compliance rating.
Comparing GSTR-3B with GSTR-2A and GSTR-2B.
Purpose and Nature
Understanding the different roles of these forms.
GSTR-3B is a summary return for tax liabilities.
GSTR-2A is an auto-drafted statement of inward supplies.
GSTR-2B is a static ITC statement for a specific period.
Data Source
Where each form derives its information.
GSTR-3B is self-declared by the taxpayer.
GSTR-2A is auto-populated from supplier GSTR-1.
GSTR-2B is generated based on GSTR-1, GSTR-5, and GSTR-6.
Usage in Compliance
How each form is used for GST compliance.
GSTR-3B is used for tax payment and liability reporting.
GSTR-2A helps in ITC reconciliation.
GSTR-2B assists in ITC claim accuracy.
Reconciliation Process
Steps for reconciling these forms.
Match GSTR-3B with GSTR-2A/2B to avoid discrepancies.
Ensure all ITC claims are supported by supplier filings.
Use reconciliation tools for accuracy.
Differences between GSTR-3B and GSTR-1.
Filing Frequency
How often each form is filed.
GSTR-3B is filed monthly or quarterly.
GSTR-1 is filed monthly or quarterly under QRMP.
Both forms are critical for GST compliance.
Data Content
Information included in each form.
GSTR-3B includes summary of sales and tax liabilities.
GSTR-1 includes detailed invoice-wise sales data.
Both forms must be consistent to avoid notices.
Role in ITC Claims
Impact on Input Tax Credit claims.
GSTR-3B is used for claiming ITC.
GSTR-1 data affects buyer's GSTR-2A/2B.
Accurate GSTR-1 ensures correct ITC availability.
Amendments and Corrections
How corrections are handled in each form.
GSTR-3B cannot be revised once filed.
GSTR-1 allows amendments in subsequent periods.
Ensure accuracy in initial filings to avoid issues.
Step-by-step guide to filing GSTR-3B using Clear GST Software.
Preparation
Steps to prepare for filing.
Gather all sales and purchase invoices.
Ensure accurate data entry in accounting software.
Reconcile GSTR-3B with GSTR-1 and GSTR-2B.
Filing Process
Steps to file GSTR-3B using Clear GST.
Log in to Clear GST Software.
Navigate to the GSTR-3B filing section.
Enter required details and validate data.
Payment of Tax
How to pay tax liabilities through the portal.
Calculate net tax payable after ITC.
Use the 'Tax Liability Breakup' tab for payment.
Ensure payment is made before filing.
Submission and Acknowledgment
Final steps in the filing process.
Review all entered data for accuracy.
Submit the return and note the ARN.
Download the acknowledgment for records.
What is the due date for filing GSTR-3B?
For monthly filers, the due date is the 20th of the following month. For quarterly filers under the QRMP scheme, it is the 22nd or 24th of the month following the quarter, depending on the state or UT.
What is the late fee for not filing GSTR-3B on time?
The late fee is ₹50 per day for regular returns and ₹20 per day for Nil returns, capped at a maximum of ₹5,000.
Can GSTR-3B be revised once filed?
No, GSTR-3B cannot be revised once it is filed. It is important to ensure accuracy before submission.
What happens if I do not file GSTR-3B for three consecutive months?
Failure to file GSTR-3B for three consecutive months can lead to the cancellation of GST registration and other penalties.
How is interest calculated on late payment of GST?
Interest is calculated at 18% per annum on the outstanding tax liability, from the due date until the date of payment.
What is the difference between GSTR-3B and GSTR-1?
GSTR-3B is a summary return filed monthly or quarterly, while GSTR-1 contains detailed invoice-wise sales data and is also filed monthly or quarterly.
How can I rectify errors in GSTR-3B?
Errors in GSTR-3B cannot be rectified directly. Corrections must be made in subsequent GSTR-1/IFF filings or through GSTR-1A amendments.
What is the role of GSTR-2B in ITC claims?
GSTR-2B is a static ITC statement that helps taxpayers in claiming accurate Input Tax Credit by providing a consolidated view of ITC available for a specific period.
Can I file GSTR-3B after three years from the due date?
No, from the July 2025 tax period onwards, GSTR-3B cannot be filed after three years from its original due date.
Is it mandatory to file GSTR-3B if there is no business activity?
Yes, even if there is no business activity, a Nil GSTR-3B return must be filed to remain compliant with GST regulations.