CALCULUS VISION
GST Audit & Reconciliation
Reconcile before the department questions. Validate before exposure arises.
GST compliance does not end with monthly return filing. Periodic audit and reconciliation are critical to ensure that turnover, tax liability, and input tax credit (ITC) reported under GST align with financial records and statutory disclosures under the Central Goods and Services Tax Act, 2017.
GST audit and reconciliation act as preventive compliance controls—identifying mismatches, excess credit claims, classification errors, and reporting gaps before scrutiny or departmental audit is initiated by the Goods and Services Tax Network authorities.
At Calculus, GST audit is conducted with analytical rigor, clause-based verification, and structured documentation review.
Scope of GST Audit
Transaction-level verification with statutory alignment.
- Turnover Reconciliation
Comparison of GST-reported outward supplies with financial statements, sales registers, and income tax turnover disclosures to ensure consistency. - Input Tax Credit Validation
Verification of ITC claimed in GSTR-3B with GSTR-2A/2B, vendor invoices, and eligibility provisions under GST law to prevent reversal or demand exposure. - Tax Rate & Classification Review
Examination of HSN/SAC classification and tax rate application to identify short payment risks or overpayment instances. - Reverse Charge Mechanism (RCM) Compliance
Review of transactions liable under reverse charge and verification of timely payment and reporting.
Reconciliation Areas Covered
Bridging gaps between books and returns.
- GSTR-1 vs GSTR-3B reconciliation.
- GST turnover vs audited financial statements reconciliation.
- ITC as per books vs ITC as per portal.
- E-way bill and e-invoice data reconciliation.
- Debit/credit note adjustments and amendment tracking.
Structured reconciliation ensures that data reported across systems remains aligned.
Common Risk Areas Identified
- Excess or ineligible ITC claims.
- Unreported outward supplies.
- Mismatch in tax rate application.
- Non-compliance with time limits for ITC claims.
- Incorrect adjustment of advances or credit notes.
Early identification prevents interest, penalty, and audit exposure.
GST Annual Compliance & Certification
Where applicable, annual return preparation and reconciliation statements require consolidated validation of yearly GST data. Even where statutory GST audit by a professional is no longer mandatory for certain taxpayers, internal GST audit remains a best-practice compliance safeguard.
Why GST Audit & Reconciliation Matters
- Prevents demand notices arising from data mismatches.
- Reduces risk during departmental audit or investigation.
- Protects input tax credit eligibility.
- Ensures alignment between GST and income tax disclosures.
- Strengthens overall compliance governance framework.
GST Audit & Reconciliation is a preventive compliance mechanism, not a corrective exercise. At Calculus, it is conducted with technical depth, data-driven review, and documentation discipline—ensuring that your GST records remain accurate, defensible, and audit-ready at all times.
CALCULUS VISION 