By CA Surekha Ahuja
As Financial Year 2025–26 has closed on 31 March 2026, businesses are now required to complete their year-end accounting closure, statutory audit preparation, and tax audit documentation. A critical and frequently overlooked step in this process is obtaining specific confirmations and declarations from all vendors and service providers before 30 June 2026.
This post sets out the five documents required from every vendor, the legal basis for each, and the Form 3CD (Tax Audit Report) clauses that are directly triggered — applicable to all businesses subject to Tax Audit under Section 44AB of the Income Tax Act, 1961.
Why This Is a Statutory Requirement — Not a Formality
Under the Income Tax Act, 1961, and the Micro, Small and Medium Enterprises Development (MSMED) Act, 2006, the accuracy and external verifiability of your creditor balances and vendor transactions are directly linked to your tax liability, audit opinion, and compliance standing. Standard on Auditing SA 505 (External Confirmations) further mandates that statutory auditors obtain independent confirmation of material balances from third parties.
Failure to collect these documents exposes businesses to:
- Disallowance of expenses under Sections 43B(h), 40A(3), and 40(a)(ia)
- Penalty under Sections 271D and 271E for cash transaction violations
- Modified or qualified Statutory Audit Opinion
- Adverse remarks in the Tax Audit Report (Form 3CD)
Document 1 — Statement of Accounts as at 31/03/2026
| Particulars | Details |
|---|---|
| Document Required | Statement of all transactions for FY 2025–26 and closing balance as at 31 March 2026, duly confirmed and signed by the vendor |
| Why Required | Enables ledger reconciliation between your books and the vendor's records. Unreconciled differences constitute a qualification risk in the statutory audit |
| Auditing Standard | SA 505 — External Confirmations |
| Form 3CD Clause | Clause 26 — Outstanding liabilities; Clause 44 — GST-registered vs unregistered vendor classification |
| Section — IT Act | Section 145 — Method of accounting must be verifiable from external sources |
Document 2 — Balance Confirmation Letter
| Particulars | Details |
|---|---|
| Document Required | Formal written confirmation of the closing balance as at 31/03/2026, stamped and signed on vendor's letterhead |
| Why Required | Standard audit evidence requirement. Without balance confirmations for material creditor balances, the auditor may be unable to express an unmodified opinion |
| Auditing Standard | SA 505 — External Confirmations (mandatory procedure for significant balances) |
| Form 3CD Clause | Clause 26 — Creditor balance verification |
| Section — IT Act | Section 145 — Accuracy of closing balances |
Document 3 — MSME Declaration
| Particulars | Details |
|---|---|
| Document Required | Self-declaration by the vendor of their MSME registration status (Micro / Small / Medium / Not Registered), signed on vendor letterhead |
| Why Required | Under Section 43B(h), amounts due to Micro and Small Enterprises unpaid beyond the statutory credit period are disallowed as a deduction in the year of accrual. Without this declaration, the buyer cannot determine their exposure |
| MSMED Act | Section 15 — Buyer's obligation to make payment within agreed/statutory credit period |
| Form 3CD Clause | Clause 26(B) — Specifically introduced from AY 2024–25; auditor must disclose amounts due to Micro/Small Enterprises beyond credit period and compute disallowance under Section 43B(h) |
| Section — IT Act | Section 43B(h) — Deduction allowed only on actual payment within credit period |
Note: Clause 26(B) in Form 3CD was inserted with effect from Assessment Year 2024–25. It is fully operative for AY 2026–27 (FY 2025–26) and requires the tax auditor to make a specific disclosure of all MSME dues, the credit period applicable, amounts paid within time, and amounts outstanding beyond the credit period.
Document 4 — Udyam Registration Certificate
| Particulars | Details |
|---|---|
| Document Required | Current Udyam Registration Certificate of the vendor for FY 2026–27, if the vendor is MSME-registered |
| Why Required | Determines vendor's classification as Micro, Small, or Medium Enterprise. Section 43B(h) disallowance applies only to Micro and Small — not Medium. The applicable credit period (15 days or 45 days) is also determined by this classification |
| MSMED Act | Section 2(e), 2(f), 2(g) — Definitions of Micro, Small, and Medium Enterprises |
| Form 3CD Clause | Clause 26(B)(ii) — Requires vendor-wise disclosure of Udyam Registration details for MSME creditors |
| Credit Period | 15 days — where no written agreement; 45 days — maximum permissible under any written agreement |
Document 5 — TDS Certificate (Form 16A)
| Particulars | Details |
|---|---|
| Document Required | Form 16A for the period 01/01/2026 to 31/03/2026 (Q4 FY 2025–26), wherever TDS has been deducted at source on payments to the vendor |
| Why Required | Required to reconcile TDS deducted in your books against credits appearing in the vendor's Form 26AS and Annual Information Statement (AIS). Discrepancies are a common trigger for income tax notices |
| Section — IT Act | Section 203 — Obligation of the deductor to issue TDS certificate; Section 203AA — 26AS reconciliation |
| Form 3CD Clause | Clause 34(b) — Auditor must verify TDS deducted at correct rates, deposited on time, and Form 16A issued; short/non-deduction results in 30% disallowance u/s 40(a)(ia) |
Form 3CD — Complete Clause Map for FY 2025–26 (AY 2026–27)
| Form 3CD Clause | Subject | Documents Triggered | Risk if Not Complied |
|---|---|---|---|
| Clause 21(d) | Cash payments exceeding ₹10,000 to a single vendor — Section 40A(3) | Statement of Accounts (Document 1) — for cross-verification of cash payments | 100% disallowance of the payment amount |
| Clause 26 | Outstanding creditor balances as at 31/03/2026 | Document 1 (Statement of Accounts) + Document 2 (Balance Confirmation) | Modified audit opinion; adverse remark in Tax Audit Report |
| Clause 26(B) | Amounts due to Micro/Small Enterprises beyond credit period — Section 43B(h) | Document 3 (MSME Declaration) + Document 4 (Udyam Certificate) | Disallowance of outstanding amount; higher taxable income for AY 2026–27 |
| Clause 31 | Cash loans/deposits above ₹20,000 — Sections 269SS and 269T | Document 1 (Statement of Accounts) — for ledger verification | Penalty u/s 271D and 271E equal to full transaction amount |
| Clause 34(b) | TDS deducted and deposited on vendor payments | Document 5 (Form 16A) + 26AS/AIS reconciliation | 30% disallowance u/s 40(a)(ia) for short or non-deduction |
| Clause 44 | Break-up of expenditure — GST registered vs unregistered vendors | Document 1 (Statement of Accounts) — for GST registration status | ITC reversal; GST mismatch disputes |
The Tax Audit Report under Section 44AB is due on 30 September 2026. The tax auditor cannot certify Clause 26(B) without the MSME declarations and Udyam Certificates for each creditor.
Action Required — Timelines
| Action | Deadline |
|---|---|
| Dispatch vendor request letter (all 5 documents) | On or before 15 June 2026 |
| Vendor response deadline | 30 June 2026 |
| Non-responding vendors to be classified as Non-MSME | After 30 June 2026 |
| Income Tax Return — non-audit cases | 31 July 2026 |
| Tax Audit Report (Form 3CD) — Section 44AB | 30 September 2026 |
Important: Businesses should maintain documentary evidence of every vendor communication sent. In the absence of a vendor response by 30 June 2026, the vendor may be treated as Non-MSME for the purpose of Form 3CD disclosure — but this protection is available only if the request was formally made and documented.
