GSTR-1 & GSTR-3B Return Filing: Due Dates, Penalties & Reconciliation Guide
Every registered GST taxpayer must regularly file outward sales statements and summary tax settlements. Accurate filing prevents cancellation of GSTIN and preserves business buyer relationships by ensuring timely ITC reflection in GSTR-2B.
📌 In This Practical Manual
1. Eligibility Criteria & Statutory Requirements
Prior to initiating electronic filings on government portals (MCA V3, GSTN, or IP India), ensure full compliance with the following statutory parameters:
- ✓All active regular GSTIN holders.
- ✓Composition dealers file quarterly CMP-08 and annual GSTR-4.
- ✓Nil return filers must file Nil returns via SMS or web portal.
2. Step-by-Step Filing Procedure
Our streamlined end-to-end execution workflow designed to minimize rejection queries and achieve fastest statutory approval:
Invoice Ledger Compilation
Collate all B2B tax invoices, credit/debit notes, B2C sales summaries, and export shipping bills.
GSTR-1 Upload & Validation
Upload invoice data to GST portal, verify HSN summary, validate taxable values, and file with DSC or EVC.
GSTR-2B Auto-Drafted ITC Reconciliation
Compare purchase register against GSTR-2B generated on the 14th of each month to claim eligible Input Tax Credit.
GSTR-3B Tax Offset & Payment
Offset output liabilities against available ITC, pay remaining tax through electronic cash ledger, and submit the return.
3. Mandatory Document Checklist
Keep these documents scanned and self-attested in clear high-resolution PDF/JPEG format:
4. Post-Registration Compliance Slabs
Failure to adhere to post-registration filing dates attracts heavy recurring statutory fines and director disqualification risks:
| Statutory Due Date | Compliance Requirement |
|---|---|
| 11th of Every Month | Monthly GSTR-1 Filing Due Date |
| 13th of Month Following Quarter | QRMP GSTR-1 Filing Due Date |
| 20th of Every Month | Monthly GSTR-3B Filing & Tax Payment |
| 22nd / 24th of Month Following Quarter | QRMP GSTR-3B (Staggered by State) |
5. Frequently Asked Questions
Need Dedicated CA/CS Assistance for GSTR-1 & GSTR-3B Return Filing: Due Dates, Penalties & Reconciliation Guide?
Our team of empaneled Chartered Accountants and Corporate Lawyers manage your entire drafting, digital signature verification, and government filing with guaranteed turnaround times.
Request 10-Min Callback
Get immediate quote & timeline from an empaneled professional.