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25 SEPPMT-06 (QRMP) · Monthly GST payment · Aug 2026due today 11 OCTGSTR-1 · Outward supplies · Sep 2026in 16 days 13 OCTGSTR-1 (QRMP) · Quarterly return · Jul–Sep 2026in 18 days 18 OCTCMP-08 · Composition payment · Jul–Sep 2026in 23 days 20 OCTGSTR-3B · Summary return · Sep 2026in 25 days 22 OCTGSTR-3B (QRMP) · Quarterly return · Jul–Sep 2026 · 22nd or 24th by statein 27 days 30 SEPTax Audit Report · Form 3CA/3CB · AY 2026-27in 5 days 7 OCTTDS / TCS deposit · Deducted in Sep 2026in 12 days
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Compliance Format

GSTR-3B Working Format — Monthly Tax Computation

The GSTR-3B working reconciles outward tax liability against eligible ITC to arrive at net GST payable in cash.

GSTR-3B WORKING — MONTHLY GST COMPUTATION

Summary computation supporting the monthly / quarterly return in Form GSTR-3B under Section 39 of the CGST Act, 2017. Tax period: [MM/YYYY].

3.1 Outward supplies & tax liability

Nature of supplyTaxable valueIGSTCGSTSGSTCess
Outward taxable (other than zero-rated)[10,00,000][–][90,000][90,000][–]
Zero-rated (exports / SEZ)[2,00,000][36,000][–][–][–]
Inward supplies liable to reverse charge[50,000][9,000][–][–][–]
Total output tax (A)—[45,000][90,000][90,000][–]

4. Eligible Input Tax Credit

ParticularsIGSTCGSTSGSTCess
ITC available (import / inward / RCM)[30,000][40,000][40,000][–]
Less: ITC reversed (Rule 42/43)[–][2,000][2,000][–]
Net ITC available (B)[30,000][38,000][38,000][–]

Net tax payable in cash (A − B)

HeadOutput taxITC set-offPayable in cash
IGST[45,000][30,000][15,000]
CGST[90,000][38,000][52,000]
SGST[90,000][38,000][52,000]
[Cess][__________][__________][__________]

Compliance note: ITC must be claimed only to the extent reflected in GSTR-2B and utilised in the order prescribed by Sections 49, 49A and 49B. GSTR-3B is due by the 20th of the following month (or 22nd/24th for QRMP filers). Interest under Section 50 applies to net cash tax paid late.

Before you use it — fill in / check

  • Tax period
  • Outward taxable value
  • Output tax (I/C/S)
  • Net ITC
  • Payable in cash

How to use this template

  1. Read through and replace every [bracketed] or blank placeholder with your actual details.
  2. Delete any clause that doesn't apply and add anything specific to your situation.
  3. Click Print / Save as PDF to download, or Copy text to paste into your letterhead.
  4. Get it signed / stamped / notarised as required, and keep a copy for your records.

This is a general, editable template for convenience only — not legal advice. For anything material, have a professional review it. TaxClue isn't liable for how it's used.