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New GST Return Rules: What Small Businesses Need to Know

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AuthorGST Compliance Team
PublishedApril 28, 2026
Reading Time6 min read

The GST Council has introduced strict measures to curtail fake invoices and ensure tax credit matching. For small business entities, keeping track of these updates is crucial to avoid GST notices and blocking of Input Tax Credit (ITC).

1. Mandating GSTR-1 and GSTR-3B Tally

Under the new rules, any significant discrepancy between the sales declared in GSTR-1 and the tax paid in GSTR-3B can lead to the suspension of your GST registration. Auto-generated notices will be sent, demanding explanations for tax differences.

2. strict Rule 36(4) on Input Tax Credit

Businesses can only claim ITC if the invoices have been uploaded by their suppliers in GSTR-1 and reflect in their GSTR-2B. Reconciling purchases monthly has become mandatory to prevent cash outflow losses.

3. QRMP Scheme Benefits

The Quarterly Return Monthly Payment (QRMP) scheme allows small businesses with turnover up to ₹5 Crores to file GSTR-1 and GSTR-3B quarterly. However, taxes must still be deposited monthly using simple challans. This drastically reduces compliance workloads.

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