GSTR-1 vs GSTR-3B: Purpose, Data Flow and Reconciliation
A GSTR-1 and GSTR-3B mismatch needs a comparison of matching figures. See how to separate output liability, ITC and cash payment, and where GSTR-1A fits.
Understand what each GST return or statement does and how invoice data moves through filing and reconciliation.
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A GSTR-1 and GSTR-3B mismatch needs a comparison of matching figures. See how to separate output liability, ITC and cash payment, and where GSTR-1A fits.
A practical guide to GSTR-1A: when it becomes available, what can be corrected, how it affects GSTR-3B and GSTR-2B, and when a later GSTR-1 amendment is needed instead.
A practical guide to GSTR-9 and GSTR-9C covering the ₹5 crore threshold, self-certification, turnover and ITC reconciliation, filing workflow and common annual-return mistakes.
Browse the library
A practical guide to GST TDS on metal scrap under section 51, including the registered-buyer rule, Chapters 72–81, the ₹2.5 lakh contract threshold, 2% deduction, place-of-supply exception and GSTR-7 workflow.
A practical guide to GST Rule 37A covering the supplier GSTR-3B non-filing trigger, 30 September and 30 November cut-offs, GSTR-3B reversal tables, later ITC reclaim and reconciliation controls.
A practical comparison of GSTR-2A and GSTR-2B, including how IMS changes the old static-versus-dynamic explanation and how finance teams should reconcile ITC before GSTR-3B.
A practical guide to GSTR-9 and GSTR-9C covering the ₹5 crore threshold, self-certification, turnover and ITC reconciliation, filing workflow and common annual-return mistakes.
A practical monthly method to reconcile GSTR-2B with the purchase register, covering IMS accept, reject and pending actions, Section 16 conditions, timing differences and a worked example.
When a QRMP taxpayer should use IFF instead of waiting for quarterly GSTR-1: who is eligible, the ₹50 lakh monthly cap, the 13th deadline, eligible tables, monthly PMT-06 payment and three worked examples.
A practical guide to GSTR-1A: when it becomes available, what can be corrected, how it affects GSTR-3B and GSTR-2B, and when a later GSTR-1 amendment is needed instead.
A GSTR-1 and GSTR-3B mismatch needs a comparison of matching figures. See how to separate output liability, ITC and cash payment, and where GSTR-1A fits.
Using this collection
Start with the purpose and timing of the relevant form, then use the reconciliation guides to identify differences between books, supplier data and filed returns. Due dates and portal facilities can change, so confirm the current tax period.