Monthly GST Checklist

Monthly GST reconciliation checklist before filing returns.

A repeatable checklist helps teams avoid missed imports, wrong period selection, unreconciled ITC, incomplete GSTR-1 review and unexplained GSTR-3B variances.

Before importing data

Confirm company GSTIN, return period, financial year, books closure status and whether the period has any prior imports that must be replaced or reviewed.

Purchase and ITC review

Import purchase register, GSTR-2B, credit/debit notes, import of goods and ITC claim register. Review missing, duplicate and blocked-credit items.

Sales and outward supply review

Import sales register, GSTR-1/e-invoice data, exports, SEZ, B2C summary, HSN and document summary where applicable.

Final filing review

Prepare GSTR-1 and GSTR-3B working papers, compare with portal draft/filed data, document adjustments and export final working papers.

How GCRS Helps

Turn the guide into a repeatable monthly workflow.

GCRS supports import validation, GST portal data handling, reconciliation, ITC tracking, GSTR-1/GSTR-3B working papers, exports and audit records. It is designed to keep source data visible behind every key compliance number.

  • Books, portal and filed-return data in one workspace
  • Invoice-level drilldowns for review and audit
  • Professional Excel/PDF exports for working papers
  • Local PC or office-server data storage option
GCRS GST reconciliation software screen with sample data

FAQ

Common questions

Why use a monthly GST checklist?

It reduces missed steps and gives junior and senior users a common process for monthly compliance review.

Should reconciliation happen before GSTR-3B filing?

Yes. Reconciliation helps identify ITC and output tax differences before final return filing.

What should be saved after filing?

Save final working papers, exception reports, portal evidence, reviewer remarks and audit logs.

Need a guided GST reconciliation system?

Review GCRS features, pricing and demo access for your business or CA office.

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