GSTR-3 Return Filing: Step-by-Step Compliance Guide

What Is GSTR-3 and Is It Still Filed?

GSTR-3 is not filed by anyone today. It was the original monthly final GST return, designed to auto-consolidate GSTR-1 (outward supplies) and GSTR-2 (inward supplies) into a net tax liability. GST took legal effect on 1 July 2017 under Notification No. 9/2017-Central Tax (gstcouncil.gov.in), and GSTR-3 was meant to launch with it.

The form had two parts. Part A was auto-generated from GSTR-1, GSTR-2, and tax data. Part B was manual: payment, interest, late fees, and authorized-signatory verification. GSTR-3 was formally omitted from the Central GST (CGST) Rules effective 1 October 2022 under Notification No. 19/2022-Central Tax (gstcouncil.gov.in).

Why Was GSTR-3 Suspended?

The three-return design collapsed within months of GST’s launch. Invoice matching, where GSTR-2 reconciled against every supplier’s GSTR-1, overwhelmed the Goods and Services Tax Network (GSTN) portal and taxpayers alike. At its 23rd meeting in Guwahati on 10 November 2017, the GST Council deferred the GSTR-2 and GSTR-3 filing timeline to a Committee of Officers and mandated GSTR-3B instead, per the CBIC press release (cbic-gst.gov.in).

That timeline was never issued, so GSTR-3B became permanent. GSTR-3B started as a stopgap under CGST Rule 61(5) via Notification No. 17/2017-Central Tax (gstcouncil.gov.in). The Central Board of Indirect Taxes and Customs (CBIC) later made GSTR-3B a full return under Section 39 via Notification No. 49/2019-Central Tax, retroactive to 1 July 2017 (gstcouncil.gov.in).

GSTR-3 vs GSTR-3B: What Is the Difference?

GSTR-3B is a self-declared summary return, not an auto-populated detailed one, so the reconciliation work GSTR-3 would have automated now sits with the taxpayer. The table below compares the suspended return against the live one.

Who Had to File GSTR-3, and What Do They File Instead?

Regular registered taxpayers who make outward supplies or claim input tax credit (ITC) would have filed GSTR-3. Today that same group files GSTR-3B. Several categories were always exempt and file their own return instead, as mapped below.

OIDAR is Online Information Database Access or Retrieval. GSTR-1, the outward-supplies return that once fed GSTR-3, is still live and now feeds reconciliation. See our GSTR-1 filing guide and, for the suspended inward-supplies return, our GSTR-2 return filing guide.

How Do You File Your Monthly GST Return on the GST Portal Today?

You file GSTR-3B on the GST portal in a short sequence: log in, review ITC, enter summary values, pay, and submit. CBIC Rule 61 requires every registered person to furnish GSTR-3B electronically through the common portal each month (taxinformation.cbic.gov.in). The steps below cover the live flow.

1. Log in with your GST Identification Number (GSTIN) and open the returns dashboard.
2. Select the tax period and choose GSTR-3B.
3. Review ITC figures assisted by GSTR-2B, the static monthly statement.
4. Enter summary values for outward supplies, ITC, and tax.
5. Offset available ITC against your liability.
6. Pay the balance by challan, National Electronic Funds Transfer (NEFT), Real Time Gross Settlement (RTGS), or net banking.
7. Submit using a Digital Signature Certificate (DSC) or Electronic Verification Code (EVC), then download the acknowledgment.

You can prepare the return using the GSTN offline utility, but submission always happens on the portal.

What Are the GST Monthly Return Due Dates?

Monthly GSTR-3B is due on the 20th of the following month, the same date GSTR-3 carried. Small taxpayers under the Quarterly Return Monthly Payment (QRMP) scheme file quarterly on the 22nd or 24th, depending on their state group. The QRMP scheme covers taxpayers with aggregate turnover up to \u20b95 crore and took effect on 1 January 2021.

The \u20b95 crore QRMP eligibility threshold is set by Notification No. 84/2020-Central Tax (gstcouncil.gov.in). Our compliance calendar tracks these deadlines by entity.

What Are the GSTR-3 Late Filing Penalties and Interest?

Late filing costs \u20b9200 per day plus interest on unpaid tax. The late fee is \u20b9100 per day under CGST and \u20b9100 per day under State GST (SGST), and nil returns pay a reduced \u20b920 per day. Interest runs at 18% per annum on tax paid late and 24% per annum in excess-ITC scenarios, per Section 50 of the CGST Act.

Verify current caps against the latest CBIC notification before you file, since maximum fees are tied to turnover slabs. One consequence still bites: you cannot file the next period’s GSTR-3B or GSTR-1 until the pending return is filed.

How Do You File a Nil GSTR-3 Return?

A nil return is mandatory even when you have zero transactions, and that rule carries to GSTR-3B. You can file a nil GSTR-3B by SMS (Short Message Service) from your registered mobile number, so you do not need to log into the portal. A nil return filed late attracts the reduced \u20b920 per day late fee, not the standard \u20b9200.

How Does Input Tax Credit Reconciliation Work Now?

The reconciliation GSTR-3 was meant to automate now happens manually against GSTR-2B, the static monthly statement that governs ITC claims. GSTR-2A is the dynamic draft that updates as suppliers file, while GSTR-2B freezes each month for a clean claim basis. Under Rule 36(4), provisional ITC was capped at 20%, then 10%, then 5% above matched invoices, and is now restricted to what appears in GSTR-2B.

How Do You Resolve a GST Input Tax Credit Mismatch?

Identify the mismatch, contact the supplier, have them amend their GSTR-1, then reconcile against the next GSTR-2B cycle. Most mismatches trace to one of a few causes, each with a standard fix.

What Records Should You Maintain for GST Return Filing?

Keep your filing records for at least six years, as these documents support your GSTR-3B filings and any audit. The table below lists what to retain and why.

How We Help With GST Return Filing

Commenda’s global indirect tax software handles GST return preparation and ITC reconciliation alongside VAT and sales tax across every jurisdiction you operate in. It tracks each filing deadline, reconciles ITC against GSTR-2B, and confirms the return got filed, so you close the laptop at 6 instead of reopening it at 8. It connects to your stack through 100+ ERP, API, and custom integrations.

Pair it with our GSTR-1 filing guide for the feeder return, the GSTR-9 annual return guide for your year-end consolidation, and the compliance calendar to stay ahead of every due date. Book a demo to get a free GST compliance health check.