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How to File GSTR-3B GST Return 2026

GSTR-3B - summary return with tax payment + ITC. Monthly (T/O > ₹5Cr) / Quarterly (QRMP). Critical compliance.

📁 Tax ⏱️ 30-60 mins 💰 Free + Tax Liability

About This Guide

GSTR-3B summary return: outward supplies, ITC claim, tax payment. Auto-populated from GSTR-1 (filed by self) and GSTR-2B (from suppliers). Monthly due 20th (turnover > ₹5Cr) or staggered. Tax payment via cash ledger + ITC. Late = late fee + interest.

Eligibility Criteria

GST registered taxpayer
GSTR-1 filed (recommended first)
Have ITC available + supplier filings
Cash ledger funded for tax + late fee

Documents Required

Keep these documents ready before starting application. Missing documents = delayed approval.

GSTR-1 already filed (auto-data)
GSTR-2B (auto from suppliers)
Tax liability calculation
Ineligible ITC list
Reverse charge transactions

Step-by-Step Application Process

Follow these steps in order. Each step is critical - skip none.

gst.gov.in.

Returns Dashboard

Choose period.

GSTR-3B Prepare

Online preparation.

Section 3.1 Outward

Outward taxable + zero-rated + nil rated. Auto from GSTR-1.

Section 3.2 Interstate B2C

State-wise breakup.

Section 4 ITC

(A) ITC Available (auto from GSTR-2B), (B) Reversed (rule 42/43 reversal), (C) Net ITC, (D) Ineligible.

Section 5 Exempt/Nil

Nil-rated, exempt, non-GST.

Section 6 Payment

Tax liability → ITC offset → balance payable in cash.

Tax Payment

Create challan (Form GST PMT-06). Pay via net banking/UPI/RTGS. Funds in cash ledger.

Offset Liability

Cash ledger debited.

Submit

Verify summary.

File

EVC/DSC verification.

Acknowledgment

GSTR-3B filed.

Key Benefits

Mandatory monthly/quarterly
ITC offset reduces cash payment
Auto-population from GSTR-1/2B
QRMP for small (quarterly)
Net liability easy to compute
Govt revenue collection
Avoids late fees + interest

What Happens After Application?

Filing locks period. Amendments via next period only. ITC reflected in cash ledger.

Frequently Asked Questions

Late filing - what penalty?

Late fee: ₹50/day (₹20 nil) capped ₹5K. Interest: 18% on tax + 24% if ITC reversed wrongly.

GSTR-2B vs 2A?

2B: static for the period (filed-by suppliers). 2A: dynamic. Use 2B for ITC claim - matches govt records.