Section 43B(h) & Tax Audit: How MSME Payment Delays Affect Tax Audit Reporting
Introduction
The introduction of Section 43B(h) of the Income-tax Act, 1961 has significantly changed the way businesses need to monitor payments to Micro and Small Enterprises (MSMEs).
The provision was introduced to encourage timely payments to eligible MSME suppliers. Under Section 43B(h), certain amounts payable by a business to a Micro or Small Enterprise beyond the time allowed under the MSMED Act may not be deductible in computing taxable business income for that year.
For businesses covered by tax audit, this is not merely an accounting issue.
It can also become a tax-audit reporting issue.
A business may have correctly recorded a purchase or expense in its books, but if the amount remains unpaid beyond the prescribed MSME payment period, the tax treatment can be different.
This makes the following three areas extremely important:
MSME identification → Payment due-date tracking → Tax-audit reporting
In this article, we explain how Section 43B(h) and tax audit reporting are connected, what businesses need to check, and how delayed payments to MSMEs can affect taxable income.
What Is Section 43B(h)?
Section 43B generally provides that certain specified expenses are deductible only when the relevant payment conditions are satisfied.
Clause (h) specifically deals with amounts payable by an assessee to a Micro or Small Enterprise, where the payment is not made within the time prescribed under Section 15 of the Micro, Small and Medium Enterprises Development Act, 2006 (MSMED Act).
The provision is particularly important because the timing of payment can directly affect the year in which the expense becomes deductible.
In simple terms:
Purchase/Expense → MSME Supplier → Payment delayed beyond the prescribed period → Deduction may be deferred
This is why businesses should not treat MSME payment compliance as merely a vendor-management issue.
It has a direct income-tax impact.
Why Section 43B(h) Matters During Tax Audit
For a business undergoing tax audit, the auditor needs to examine whether expenses claimed in the financial statements are allowable under the Income-tax Act.
Therefore, outstanding amounts payable to MSMEs can become an important area of review.
The auditor may need to examine:
- Who the supplier is
- Whether the supplier qualifies as a Micro or Small Enterprise
- Whether the supplier has provided relevant MSME information
- Date of acceptance/deemed acceptance
- Agreed payment period
- Actual payment date
- Whether payment was made within the statutory period
- Amount outstanding at year-end
- Whether any amount requires disallowance under Section 43B(h)
This means accounts payable data and MSME data need to be properly reconciled before the tax audit is finalised.
Who Is Covered by Section 43B(h)?
Section 43B(h) specifically refers to amounts payable to a:
Micro Enterprise
or
Small Enterprise
as covered by the MSMED Act.
This distinction is important.
Not every entity registered as an MSME necessarily falls within the specific category relevant for Section 43B(h).
For example, an enterprise classified as a Medium Enterprise is not covered by Section 43B(h) merely because it is an MSME-registered entity.
Therefore, businesses should obtain and verify the supplier's applicable classification.
Does Section 43B(h) Apply to Medium Enterprises?
This is one of the most important points.
Section 43B(h) covers:
Micro Enterprises + Small Enterprises
It does not extend the specific provision to Medium Enterprises.
Therefore:
| Supplier Classification | Section 43B(h) |
|---|---|
| Micro Enterprise | Applicable |
| Small Enterprise | Applicable |
| Medium Enterprise | Not covered by 43B(h) |
| Non-MSME | Not covered by 43B(h) |
However, other tax and commercial considerations may still apply to payments to such suppliers.
What Is the MSME Payment Deadline?
Section 15 of the MSMED Act requires a buyer to make payment to a Micro or Small Enterprise within the prescribed period.
There are two important situations.
1. Written Agreement
Where there is a written agreement between buyer and supplier regarding payment:
The agreed payment period cannot exceed the statutory maximum period of 45 days from the day of acceptance or deemed acceptance.
2. No Written Agreement
Where there is no written agreement regarding payment:
The payment is generally required within 15 days from the day of acceptance or deemed acceptance.
Therefore, businesses should not simply rely on their standard vendor payment cycle.
A normal:
60-day / 90-day / 120-day payment policy
does not automatically override the statutory MSME payment provisions.
15 Days vs 45 Days: Understand the Difference
| Situation | Payment Period |
|---|---|
| No written agreement | Within 15 days |
| Written agreement | As agreed, subject to maximum 45 days |
| Agreement for more than 45 days | Excess period cannot override statutory limit |
This distinction is extremely important when reviewing year-end creditors.
What Is "Day of Acceptance"?
For Section 43B(h), determining the starting point of the payment period is critical.
The MSMED Act contains specific provisions dealing with the day of acceptance or deemed acceptance.
The calculation can therefore depend on factors such as:
- Date of delivery
- Date of acceptance
- Date of objection, if any
- Whether an objection was raised within the prescribed period
- Terms of the transaction
Businesses should therefore maintain sufficient documentation to establish the relevant date.
Practical Example: Payment Within 45 Days
Suppose:
Supplier: Micro Enterprise
Invoice date: 1 April
Goods accepted: 3 April
Written agreement: 30-day payment period
Payment made: 25 April
The payment is made within the agreed period and within the statutory maximum.
Therefore, Section 43B(h) should not create a disallowance merely because the supplier is an MSME.
Practical Example: Payment After 60 Days
Suppose:
Supplier: Small Enterprise
Invoice accepted: 1 January
Written agreement: 60 days
Payment made: 10 March
Even though the parties agreed to 60 days, the statutory maximum under the MSMED framework is relevant.
Therefore, the business cannot simply rely on the 60-day contractual period to conclude that Section 43B(h) does not apply.
The payment should be reviewed against the statutory limit.
What Happens If an MSME Payment Is Delayed?
Suppose a business purchases goods worth:
₹10 lakh
from a qualifying Small Enterprise.
At year-end:
₹10 lakh remains unpaid
and the payment has exceeded the applicable MSMED Act time limit.
The business may have recorded:
Purchases/Expense = ₹10 lakh
in its books.
However, the tax treatment may require:
₹10 lakh → Disallowance under Section 43B(h)
subject to the specific facts and applicable provisions.
This increases taxable business income for the relevant year.
Is the Expense Permanently Disallowed?
No.
This is one of the most important concepts under Section 43B(h).
The amount is generally not a permanent disallowance.
Instead, the deduction is deferred until the payment is actually made, subject to the applicable statutory framework.
Example
Expense:
₹10 lakh
Amount disallowed under Section 43B(h):
₹10 lakh
Business subsequently makes the payment in the following year.
The deduction can generally be claimed in the year in which the payment is made, subject to the applicable provisions.
Therefore:
Section 43B(h) is primarily a timing issue, but the timing can have a significant cash-tax impact.
What About Payment Before the Income-Tax Return Due Date?
This is an area where businesses must be particularly careful.
Section 43B contains different clauses and payment conditions, and businesses should not automatically assume that every amount paid before the return-filing due date will receive the same treatment.
For Section 43B(h), the specific statutory wording needs to be examined.
The MSME payment provision operates differently from some other Section 43B clauses because the underlying MSMED Act payment timeline is critical.
Therefore, businesses should not rely on a blanket assumption that payment before the ITR due date automatically eliminates the disallowance.
Section 43B(h) and Tax Audit Reporting
For businesses subject to tax audit, the auditor needs appropriate information to determine the tax treatment of outstanding MSME amounts.
Historically, tax-audit reporting under Form 3CD included specific reporting requirements relating to amounts payable to Micro or Small Enterprises beyond the time specified under the MSMED Act.
With the transition to the Income Tax Act, 2025, businesses should also pay attention to the corresponding reporting requirements under the new tax-audit framework.
For Tax Year 2026-27, tax audit is governed by Section 63, and the new Form 26 is the prescribed tax-audit report.
Therefore, businesses should ensure that their accounting systems can identify:
- MSME supplier classification
- Outstanding amount
- Acceptance date
- Statutory due date
- Actual payment date
- Amount overdue
- Amount potentially disallowable under Section 43B(h)
Why MSME Reconciliation Is Essential Before Tax Audit
A business may have hundreds or thousands of vendors.
The year-end creditor balance might show:
Trade Payables: ₹1.50 crore
But the tax auditor needs to know:
How much is payable to qualifying Micro and Small Enterprises?
Then:
How much is overdue?
Then:
How much is potentially disallowable under Section 43B(h)?
This requires a detailed vendor-level reconciliation.
MSME Payment Reconciliation Format
Businesses can maintain a working like this:
| Supplier | Classification | Outstanding | Acceptance Date | Due Date | Payment Date | 43B(h) Review |
|---|---|---|---|---|---|---|
| ABC Pvt. Ltd. | Micro | ₹2,00,000 | 05-Apr | 20-Apr | 18-Apr | No |
| XYZ Enterprise | Small | ₹5,00,000 | 10-Mar | 24-Mar | 15-Apr | Review |
| PQR Ltd. | Medium | ₹3,00,000 | 01-Mar | — | 10-Apr | Not under 43B(h) |
This kind of working can significantly simplify the tax-audit process.
What Should a Tax Auditor Check?
A tax auditor may need to examine several aspects.
1. MSME Status
Is the vendor a Micro or Small Enterprise?
2. Supporting Evidence
Is there adequate documentation supporting the classification?
3. Acceptance Date
When were the goods/services accepted?
4. Contract Terms
Was there a written agreement?
5. Payment Period
Was payment made within the applicable period?
6. Actual Payment
When was the amount actually paid?
7. Year-End Outstanding Balance
How much remained unpaid?
8. Tax Treatment
Does any amount require adjustment under Section 43B(h)?
Common Mistake: Looking Only at the Balance Sheet
Many businesses simply look at:
Trade Payables as on 31 March
and assume that is enough.
It isn't.
Section 43B(h) requires a more detailed analysis.
For example:
Supplier A: ₹10 lakh outstanding for 10 days
Supplier B: ₹8 lakh outstanding for 100 days
Supplier C: ₹5 lakh outstanding for 20 days
All three may appear under:
Trade Payables
in the Balance Sheet.
But their tax treatment may be different depending on their MSME status and payment timeline.
Section 43B(h) Compliance Checklist
Before closing the accounts, businesses should complete the following:
Vendor Identification
Obtain MSME/Udyam registration details from suppliers.
Identify Micro Enterprises.
Identify Small Enterprises.
Separate Medium Enterprises.
Update vendor master data.
Payment Review
Review outstanding MSME creditors.
Determine acceptance/deemed acceptance dates.
Check contractual payment terms.
Calculate statutory due dates.
Identify overdue amounts.
Track actual payment dates.
Accounting Review
Reconcile MSME creditors with the general ledger.
Reconcile vendor statements.
Verify purchase invoices.
Investigate old outstanding balances.
Review disputed invoices.
Tax Review
Identify amounts potentially covered by Section 43B(h).
Calculate potential disallowance.
Determine appropriate tax treatment.
Review impact on taxable income.
Review reporting requirements applicable to the relevant tax year.
Audit Preparation
Prepare MSME creditor ageing.
Prepare payment-date working.
Maintain MSME classification evidence.
Provide supporting documents to the tax auditor.
Reconcile tax-audit reporting with books.
MSME Ageing Report: A Must-Have for Businesses
A proper ageing report can make Section 43B(h) compliance significantly easier.
For example:
| Age of Outstanding | MSME Amount |
|---|---|
| 0–15 days | ₹8 lakh |
| 16–30 days | ₹6 lakh |
| 31–45 days | ₹4 lakh |
| 46–60 days | ₹3 lakh |
| 61–90 days | ₹2 lakh |
| Above 90 days | ₹5 lakh |
However, businesses should not use ageing alone to determine disallowance.
The acceptance/deemed acceptance date, agreement and applicable statutory timeline must also be considered.
What About Disputed Payments?
Businesses sometimes withhold payment because:
- Goods are defective
- Services are incomplete
- Quantity is disputed
- Invoice contains errors
- Contract terms are disputed
The MSMED Act contains specific provisions dealing with disputes and the concept of acceptance/deemed acceptance.
Therefore, simply marking an invoice as "disputed" in accounting software does not automatically resolve the Section 43B(h) issue.
The business should maintain proper documentation showing:
- Nature of dispute
- Date of communication
- Correspondence with supplier
- Supporting documents
- Resolution status
What If the Supplier Has Not Shared MSME Registration Details?
This is another practical issue.
Businesses may have vendors who later claim MSME status but have not provided appropriate details earlier.
Therefore, companies should implement a vendor-onboarding process that asks suppliers to provide:
- Udyam Registration details, where applicable
- Enterprise classification
- Relevant declaration
- Updated status where classification changes
However, businesses should also understand that tax treatment cannot be determined solely by whether a vendor has been tagged as "MSME" in the accounting system.
The underlying statutory conditions must be examined.
How Businesses Can Prevent Section 43B(h) Disallowances
The best strategy is not to wait until the tax audit.
1. Create an MSME Vendor Master
Maintain a separate classification of:
Micro / Small / Medium / Non-MSME
2. Track Due Dates Automatically
Accounting software should ideally flag invoices approaching the statutory payment deadline.
3. Review Outstanding MSME Creditors Monthly
Do not wait until 31 March.
4. Prioritise Overdue MSME Payments
Where commercially possible, clear payments before they become overdue.
5. Maintain Documentation
Keep:
- Invoices
- Purchase orders
- Agreements
- Delivery records
- Acceptance records
- Vendor declarations
- Payment proofs
6. Reconcile Before Tax Audit
Perform the review before handing the books to the auditor.
Section 43B(h): Common Mistakes
Mistake 1: Assuming Every MSME Is Covered
The specific provision covers Micro and Small Enterprises.
Mistake 2: Ignoring the 15-Day Rule
Where there is no written agreement, businesses need to consider the statutory payment period.
Mistake 3: Accepting a 60-Day Contract Without Review
A contractual payment period exceeding the statutory maximum does not automatically override the MSMED Act.
Mistake 4: Looking Only at 31 March Balance
The payment timeline needs to be analysed invoice by invoice.
Mistake 5: Assuming Payment Before ITR Due Date Solves Everything
Businesses should not automatically apply the general Section 43B principle to clause (h) without reviewing its specific requirements.
Mistake 6: Not Collecting MSME Information
Without proper supplier classification, year-end tax-audit review becomes difficult.
Mistake 7: Treating the Disallowance as Permanent
Section 43B(h) generally creates a timing difference rather than a permanent loss of deduction.
Section 43B(h) vs Normal Trade Payables
Not every outstanding trade payable creates the same tax consequence.
| Particular | Normal Vendor | Micro/Small Enterprise |
|---|---|---|
| Outstanding balance | Trade payable | Trade payable |
| MSMED Act timeline | Generally not applicable | Applicable |
| 43B(h) review | No | Yes |
| Payment timeline monitoring | Commercial | Statutory + commercial |
| Tax disallowance risk | Depends on other provisions | Section 43B(h) may apply |
| Vendor classification | Not critical for 43B(h) | Important |
This is why the MSME vendor master has become increasingly important for finance and tax teams.
Impact on Working Capital and Tax Planning
Section 43B(h) also has a practical business impact.
Suppose a company has:
Profit before tax adjustment: ₹50 lakh
and:
Section 43B(h) disallowance: ₹10 lakh
Taxable income could increase to:
₹60 lakh
This can increase the company's current tax liability.
Therefore, MSME payment management is not merely a compliance issue.
It can affect:
- Cash flow
- Working capital
- Tax liability
- Effective tax rate
- Financial planning
- Vendor relationships
A Practical Year-End Strategy for Businesses
Businesses approaching year-end should consider a three-stage review.
60–90 Days Before Year-End
Identify:
- MSME suppliers
- Outstanding balances
- Old invoices
- Potential disputes
30 Days Before Year-End
Review:
- Due dates
- Upcoming statutory deadlines
- Cash flow availability
- Vendor confirmations
Before Finalising Accounts
Complete:
- MSME reconciliation
- Payment reconciliation
- 43B(h) computation
- Tax adjustment
- Audit reporting working
This approach is far more effective than trying to identify all Section 43B(h) issues after the books are closed.
Frequently Asked Questions
1. What is Section 43B(h)?
Section 43B(h) deals with amounts payable by a taxpayer to a Micro or Small Enterprise where payment is not made within the period specified under the MSMED Act.
2. Does Section 43B(h) apply to Medium Enterprises?
No. The specific provision covers Micro and Small Enterprises, not Medium Enterprises.
3. What is the maximum payment period under the MSMED Act?
Where there is a written agreement, the agreed period cannot exceed 45 days from the day of acceptance or deemed acceptance. Without a written agreement, the statutory period is generally 15 days.
4. Is Section 43B(h) a permanent disallowance?
Generally, no. The deduction is deferred until the applicable payment condition is satisfied.
5. Does every outstanding MSME invoice become disallowable?
No. The payment date, acceptance/deemed acceptance, agreement and other statutory conditions must be examined.
6. Does a 60-day payment agreement override the MSMED Act?
No. A contractual period cannot simply override the statutory maximum applicable under the MSMED Act.
7. Why is Section 43B(h) important during tax audit?
Because the auditor needs to determine whether amounts payable to Micro and Small Enterprises require tax adjustment and appropriate reporting.
8. Should businesses maintain an MSME ageing report?
Yes. A detailed ageing and payment-status report can help identify invoices requiring review under Section 43B(h).
9. What documents should businesses maintain?
Important documents include vendor MSME details, invoices, purchase orders, agreements, acceptance records, correspondence relating to disputes and payment proofs.
10. Does Section 43B(h) affect cash flow?
Yes. Delayed MSME payments can result in a tax deduction being deferred, potentially increasing taxable income and current tax outflow.
Conclusion
Section 43B(h) has made MSME payment management an important part of tax compliance for businesses.
The issue is no longer simply:
"How much do we owe our suppliers?"
Businesses also need to ask:
"Which suppliers are Micro or Small Enterprises, when did we accept their supplies, when was payment due, and when did we actually pay?"
For tax-audit purposes, this information becomes particularly important.
A robust Section 43B(h) process should therefore connect:
Vendor Master
↓
MSME Classification
↓
Invoice & Acceptance Date
↓
Statutory Payment Due Date
↓
Actual Payment
↓
Outstanding MSME Amount
↓
Tax Treatment
↓
Tax Audit Reporting
For Tax Year 2026-27 and the transition to the new tax-audit framework, businesses should ensure that their accounting systems and internal controls are capable of producing this information accurately.
The biggest lesson for businesses is simple:
Do not wait for the tax auditor to identify your MSME payment issues.
Review MSME creditors throughout the year, monitor payment deadlines, maintain proper documentation and identify potential Section 43B(h) adjustments before finalising the financial statements.
Verotus Finlegal Solutions LLP – MSME Tax & Compliance Advisory
At Verotus Finlegal Solutions LLP, we help businesses manage the tax and compliance impact of MSME transactions, including Section 43B(h) review and tax-audit preparation.
Our services include:
- Section 43B(h) Compliance Review
- MSME Payment Reconciliation
- Tax Audit Support
- Tax Audit Reporting
- Accounting & Bookkeeping
- MSME Vendor Classification Review
- Income Tax Computation
- GST & TDS Compliance
- Financial Statement Review
- Business Tax Planning
If your business has significant purchases from Micro or Small Enterprises, do not wait until year-end to discover potential Section 43B(h) disallowances.
