STATUTORY AUDITOR’S ITC AUDIT CHECKLIST.

This checklist assists statutory auditors in verifying correctness, eligibility, presentation, and disclosure of ITC in the financial statements.

1. Books of Accounts & Documentation Review

A. Basic Records

• Whether purchase register is tallied with ledger accounts.
• Whether vendor master data includes GSTIN, address, and compliance status.
• Whether documents supporting receipt of goods/services (GRN, work completion certificate, delivery challan, e-way bill) are maintained.
• Whether proper documentation exists for imported goods and reverse-charge payments.

B. Invoice Compliance

• Whether each invoice contains all mandatory particulars as per Rule 46.
• Whether invoice dates, values, and tax amounts match ledger entries.
• Whether ineligible invoices (blocked credits) are clearly segregated.

2. Supplier Compliance Check

• Whether GSTR-2B reflects the invoices on which ITC has been availed.
• Whether suppliers have filed GSTR-1 for the relevant periods.
• Whether the company has stopped ITC booking from non-compliant suppliers.
• Whether supplier reconciliation is performed monthly.

3. Reconciliation & GL Verification

A. GSTR-2B vs. Books

• Whether monthly reconciliation statements have been prepared.
• Whether unreconciled differences are tracked in a mismatch log.
• Whether ITC has been deferred for “missing” or “pending” documents.

B. GSTR-3B vs. Books

• Whether ITC reflected in GSTR-3B matches ledger entries.
• Whether reversals, reclaims, and adjustments are properly accounted for.

4. Eligibility & Blocked Credits

• Whether credits falling under Section 17(5) have been identified and restricted.
• Whether apportionment under Section 17(2) for exempt supplies has been performed.
• Whether capital goods credits follow Rule 43 computations.
• Whether ITC on CSR, employee benefits, canteen, and insurance is properly treated.

5. Reverse Charge Mechanism (RCM)

• Whether RCM applicability has been reviewed vendor-wise.
• Whether tax under RCM has been paid through cash and ITC subsequently availed.
• Whether foreign service imports follow OIDAR and related provisions.

6. Internal Controls & SOP Adherence

• Whether SOPs exist for procurement, invoice verification, and ITC booking.
• Whether approval matrices are followed for high-value credits.
• Whether internal audits of GST have been conducted periodically.

7. Financial Statement Disclosures

• Whether ITC balances are reconciled with GST portal before year-end.
• Whether ITC under dispute is disclosed under contingent liabilities.
• Whether transitional credits (if any) are accurately reported.

II. GST DEPARTMENT (TAX AUTHORITY) AUDIT CHECKLIST

This checklist reflects the typical line of inquiry during departmental audits, inspections, and enforcement actions.

1. Verification of ITC Legitimacy

• Whether the taxpayer has received the goods/services (physical verification may be conducted).
• Whether tax invoices are genuine and not issued by non-existent or shell entities.
• Whether supplier KYC, contracts, and purchase orders exist.
• Whether the taxpayer is involved in circular trading or bogus billing.

2. GSTR-2A/2B Reconciliation

• Whether ITC claimed matches the auto-populated data.
• Whether invoices missing in GSTR-2A/2B have been claimed, and if so, justification is available.
• Whether ITC was taken only in the month in which it appeared in GSTR-2B.

3. GSTR-3B Review

• Whether ITC claimed in GSTR-3B aligns with books of accounts.
• Whether ITC reversed under Rule 42/43 matches exempt supply ratio.
• Whether ITC reclaims have been done in accordance with law.

4. Blocked Credits Review

• Whether ITC has been wrongly availed on:
  • Motor vehicles
  • Food & beverages
  • Health services
  • Club membership
  • Works contract for immovable property
  • Goods/services for personal consumption
• Whether ineligible credits have been reversed with interest.

5. Industry-Specific ITC Checkpoints

Manufacturing

• Raw material consumption records (BOM, BMR).
• Job work documentation and Form ITC-04.

Construction / Real Estate

• Works contract segregation between eligible & ineligible credits.
• Project-wise ITC apportionment.

IT/ITES

• Treatment of imports under RCM.
• Eligibility of software licences & cloud services.

Logistics & Transport

• GTA classification—RCM vs. FCM.
• Transport evidence (LR, vehicle logs).

Pharmaceutical

• Proof of R&D usage.
• Apothecary, lab equipment, and sample distribution ITC.

6. Reverse Charge Mechanism Compliance

• Whether RCM liabilities have been disclosed in GSTR-3B.
• Whether ITC of RCM is availed in subsequent period.
• Whether foreign import services are correctly accounted for.

7. Physical Verification

Tax officers may conduct on-site verification for:

• Stock levels vs. purchase claims.
• Inputs claimed as ITC but not found physically present.
• Machinery, capital goods, and warehouse inspection.

8. Invoice Trail Verification

Auditors typically examine:

• Delivery challans
• E-way bill trail
• Transporter bills
• Bank payment proofs
• Contract copies

9. Mismatch & Exception Review

• ITC claimed on cancelled suppliers.
• ITC from suppliers whose GST registration is suspended.
• ITC claimed but payment to supplier not made within 180 days (Rule 37).

10. Demand & Interest Calculation

• Whether incorrect credit has been reversed along with interest under Section 50.
• Whether penalties under Section 73/74 are applicable.

III. ADVANCED AUDIT CHECKLISTS (FOR HIGH-RISK GST ASSESSMENTS)

A. Anti-Evasion Focus Areas

• Suspicious spike in ITC relative to turnover.
• ITC availed from suppliers belonging to notified “risky taxpayer” lists.
• Excess ITC carried forward without utilisation.

B. Analytical Ratio Tests

• ITC-to-turnover ratio.
• ITC-to-purchase ratio.
• ITC vs. output GST liability trends.

C. Sector-Wise Red Flag Indicators

• Construction: High labour charges with low GST vendor base.
• Manufacturing: ITC claimed but low electricity consumption.
• Logistics: Multiple invoices with identical vehicle numbers.
• IT Services: RCM mismatch between foreign vendors and invoices.

IV. ITC AUDIT WORKING PAPERS (Templates)

These templates may be used in statutory or departmental audits.

Template 1: ITC Eligibility Working Paper

Template 2: Monthly Reconciliation Register

Template 3: RCM Verification Sheet

V. READINESS CHECKLIST FOR GST AUDIT (Departmental Visit)

• Copies of all GSTR-3B, GSTR-1, GSTR-2B.
• Purchase register with supplier-wise reconciliation.
• Vendor KYC files.
• Copies of contracts, agreements, and POs.
• E-way bill logs and transport documentation.
• Reverse charge tax challans.
• Stock registers and consumption reports.
• Copy of internal SOPs and tax policies.
• Copies of expert opinions and advance rulings.

VI. CONCLUSION

These audit checklists provide a complete framework for statutory auditors, internal auditors, and GST authorities to assess ITC accuracy, eligibility, and compliance. Businesses can incorporate these directly into their GST audit files, ITC governance manuals, and ERP-driven control environments.