Taxation of MSME Under IT Act

Taxation of MSME Under IT Act

For FY 2026-27 / AY 2027-28, an MSME's tax position turns on three overlapping layers: the legal form of the entity (sole proprietor, partnership, LLP, or company), the gross turnover it generates, and the elections it makes. An MSME private limited company with turnover below the CBDT (Central Board of Direct Taxes) notified threshold pays corporate tax at 25% plus surcharge and cess. A sole-proprietor MSME under Section 44AD pays presumptive tax on just 6–8% of turnover with no audit and no books. And every buyer of MSME goods or services must pay micro and small vendors within 15 or 45 days — or face a full tax disallowance under Section 43B(h). This guide covers every layer, with worked Rs. examples, specific due dates, and the mistakes that generate avoidable tax bills.

Who Qualifies as an MSME for Tax Purposes

The Income-tax Act, 1961 does not define "MSME" internally. It imports the definition from the Micro, Small and Medium Enterprises Development (MSMED) Act, 2006, as revised by Government notification effective 2025. For FY 2026-27, the composite investment-and-turnover criteria are:

A business must satisfy both criteria simultaneously. If either threshold is breached, it moves to the next category and must update its Udyam Registration accordingly.

Udyam Registration is not optional. For Section 43B(h) to bind a buyer, the supplier must hold a valid Udyam Registration Certificate from the MSME Ministry portal (udyamregistration.gov.in). A business that qualifies by size but has not registered loses its standing to demand protection under the MSMED Act — and buyers in practice will not classify an unregistered vendor as a micro or small enterprise (MSE) in their accounts payable (AP) systems. If your Udyam certificate has lapsed, renew it immediately; the effective date of the renewed certificate matters in disputes.

Critical carve-out: Section 43B(h) covers only micro and small enterprises. Medium enterprises are entirely outside the mandatory payment window — a distinction that matters enormously when tagging vendors in your AP ledger.

Corporate Tax Rates: What an MSME Company Actually Pays

For a domestic private or public limited company, the base tax rates for AY 2027-28 are:

• 25% for companies whose total turnover or gross receipts in FY 2025-26 (the preceding year) did not exceed the CBDT-notified threshold. Union Budget 2026 retained this rate unchanged.
• 30% for companies exceeding that threshold.
• 22% under Section 115BAA for domestic companies that elect to forgo most exemptions and deductions — an irrevocable one-time election that becomes attractive once carry-forward losses and accumulated depreciation are exhausted.
• 15% under Section 115BAB for new domestic manufacturing companies incorporated on or after 1 October 2019, subject to strict conditions: no conversion from an existing entity, no use of second-hand machinery beyond prescribed limits, and manufacturing commenced by the notified date.

Add to any base rate:

• Surcharge: 7% if total income exceeds Rs. 1 crore; 12% if it exceeds Rs. 10 crore.
• Health and Education Cess: 4% on tax plus surcharge.

Effective rate illustration: An MSME company with taxable income of Rs. 1.5 crore under the 25% rate faces: base tax Rs. 37.50 lakh + surcharge at 7% Rs. 2.625 lakh + cess at 4% Rs. 1.605 lakh = total Rs. 41.73 lakh, an effective rate of ~27.82%.

For partnership firms and LLPs, the entity pays flat 30% on firm income. Partner remuneration and interest, within the limits of Section 40(b), are deductible at the firm level and taxable at applicable slab rates in the partner's hands. For sole proprietors and HUFs, business income is charged at individual slab rates — which is where presumptive taxation becomes especially valuable.

Presumptive Taxation: The Simplest Tax Structure Available

Section 44AD — Trading and Business

An eligible resident individual, HUF or partnership firm in any business (excluding professions listed in Section 44AA(1), commission agents, and businesses separately covered under Sections 44AE, 44BB and 44BBB) can opt for presumptive taxation under Section 44AD if gross turnover does not exceed:

• Rs. 3 crore, where cash receipts during the year are 5% or less of total gross receipts.
• Rs. 2 crore, if cash receipts exceed 5%.

Presumptive income is:

• 6% of digital/non-cash receipts (bank transfers, UPI, cheques, NEFT/RTGS)
• 8% of cash receipts

No books of account, no tax audit, no depreciation schedule, no expense vouchers.

Worked Example — Section 44AD: Rajan Textiles, sole proprietor, FY 2026-27:

• Total turnover: Rs. 2.70 crore
• Cash receipts: Rs. 9 lakh (3.3% — below the 5% threshold)
• Digital receipts: Rs. 2.61 crore

Presumptive income:

• On digital receipts: 6% × Rs. 2.61 crore = Rs. 15.66 lakh
• On cash receipts: 8% × Rs. 9 lakh = Rs. 72,000
• Total presumptive income: Rs. 16.38 lakh

Rajan files ITR-4 (Sugam), pays tax at applicable new-regime slab rates on Rs. 16.38 lakh, and need not produce a single account book. His complete advance tax obligation is a single instalment due 15 March 2027 — not four instalments.

If Rajan's actual profit were only Rs. 5 lakh (below 6%), he could declare the lower figure — but only by maintaining full books and undergoing a tax audit under Section 44AB. The presumptive route avoids all of that overhead; it is worth taking whenever actual margins are at or above the presumptive rate.

Section 44ADA — Specified Professionals

Covers doctors, lawyers, engineers, architects, accountants, technical consultants, interior decorators and other CBDT-notified professionals. Eligible where gross receipts do not exceed Rs. 75 lakh (cash receipts ≤ 5%; otherwise Rs. 50 lakh). Presumptive income: 50% of gross receipts. A consulting engineer billing Rs. 60 lakh digitally declares Rs. 30 lakh as income — no books, no audit.

Section 44AE — Small Goods Transporters

For owners of goods carriages operating a maximum of 10 vehicles at any point in the year. Presumptive income is computed per vehicle per month at rates notified by CBDT, regardless of actual profit. Valuable for fleet operators where route-wise P&L tracking is impractical.

The Five-Year Opt-Out Trap

If you elect 44AD and then opt out in a subsequent year by declaring income below the presumptive rate (and getting that lower income accepted after tax audit), you are barred from re-entering 44AD for the next five assessment years. That locks you into full books, full audit exposure, and actual-income taxation for five years. Before electing presumptive, model three to five years of turnover and margin projections. If a low-margin or loss year is likely in the medium term, opting in now can be expensive later.

Section 43B(h): The Late-Payment Rule That Rewrites Your Tax Bill

This single provision — inserted by Finance Act 2023, operative from AY 2024-25 — has permanently altered supplier payment dynamics for every company that sources goods or services from a registered micro or small enterprise.

How the Clock Runs

Any sum payable to a micro or small enterprise for goods supplied or services rendered is deductible only in the year of actual payment unless paid within:

• 15 days of acceptance, where there is no written agreement specifying a credit period.
• 45 days of acceptance, where there is a written agreement and that agreement explicitly states a credit period that does not exceed 45 days.

A purchase order alone is not a "written agreement" under the MSMED Act. You need a signed supply agreement or vendor-specific credit terms letter that expressly records the agreed payment period. Without that document, you are automatically on the 15-day default — even if you informally operate on 30- or 45-day terms.

What "Acceptance" Means

Acceptance is the earlier of: (a) the actual date goods/services are received and accepted; or (b) if the buyer makes no written objection within 15 days of delivery, the 15th day is deemed the date of acceptance. Practically, if goods arrive on 5 April and you do not communicate rejection by 20 April, your 43B(h) clock started on 5 April — not on the GRN (Goods Receipt Note) processing date in your ERP.

Medium Enterprises Are Outside the Rule

Section 43B(h) is strictly limited to micro and small enterprises. If your supplier's Udyam certificate classifies them as medium, the 15/45-day rule is inapplicable. Always verify the enterprise tier on the certificate — not just whether a Udyam number exists.

Worked Example: Section 43B(h) in a Buyer Company

Vivek Pharma Components Pvt Ltd, turnover Rs. 6 crore, FY 2026-27:

Total disallowance for AY 2027-28: Rs. 75 lakh

Vivek Pharma's taxable income before Section 43B(h): Rs. 80 lakh. After adding back disallowance: Rs. 1.55 crore.

This entire tax was avoidable. The invoices were already accounted for; Vivek Pharma simply missed the payment windows. INV-001 was paid just four days late. That four-day delay cost Rs. 4.88 lakh in additional tax (25% + surcharge + cess on Rs. 18 lakh). The reversal comes eventually — when INV-003 is finally paid, Rs. 32 lakh re-enters as a deduction — but the tax outflow is real in AY 2027-28.

Deductions MSMEs Often Under-Claim

Section 80JJAA — New Hires Deduction

An additional 30% deduction on the emoluments of new employees is available for three consecutive assessment years from the year of hiring, provided:

• The employee earns a total emolument of not more than Rs. 25,000 per month.
• The employee has worked for at least 240 days during the year (150 days in footwear, leather goods and textile industries).
• The business is not formed by splitting or reconstructing an existing undertaking.
• The ITR is filed before the due date.

This deduction is available even for companies that have elected Section 115BAA (concessional 22% rate), since Section 115BAA expressly preserves 80JJAA. It does not apply to companies under Section 115BAB.

Example: A small manufacturing company hires 8 new workers at Rs. 18,000/month each during FY 2026-27:

• Incremental annual employee cost: 8 × Rs. 18,000 × 12 = Rs. 17.28 lakh
• Additional deduction at 30%: Rs. 5.18 lakh
• Tax saving at 25% + surcharge + cess (approximate): Rs. 1.44 lakh per year, three years = Rs. 4.32 lakh total

This deduction requires HR to identify and tag new hires from Day 1 of employment with their monthly emolument. It cannot be reconstructed retrospectively — set up the tracking in April, not March.

Section 32 — Additional Depreciation

Manufacturing and power-generation entities can claim additional depreciation of 20% of the cost of new plant or machinery acquired and installed in the year, over and above normal Written Down Value depreciation. Where the asset is used for fewer than 180 days in the year of installation, only 10% is allowed in that year; the balance 10% follows in the next year. This front-loads the depreciation benefit, reducing tax in the early years of an investment.

Section 35 — Expenditure on Scientific Research

Companies with in-house R&D facilities approved by the DSIR (Department of Scientific and Industrial Research) can claim a weighted deduction on qualifying R&D expenditure at the rate notified by CBDT for the relevant assessment year — verify the current multiple before computing, as it has been revised over successive Finance Acts. For capital expenditure on approved R&D (excluding land), 100% is deductible in the year of incurrence, irrespective of the asset's useful life.

Section 80-IAC — Startup Tax Holiday

A DPIIT (Department for Promotion of Industry and Internal Trade)-recognised eligible startup incorporated on or after 1 April 2016 can claim 100% deduction on profits for any three consecutive assessment years within the first ten years of incorporation, subject to the startup's turnover not exceeding Rs. 100 crore in the relevant year. The application is made through the DPIIT portal; the deduction is then claimed in the ITR for the chosen years.

The MSME Compliance Calendar for FY 2026-27

MSME Form 1 on MCA V3 deserves special attention. Under the Companies (Furnishing of Information about Payment to Micro and Small Enterprise Suppliers) Order, 2019, every specified company that has received goods or services from a micro or small enterprise and has outstanding dues unpaid for more than 45 days must file this half-yearly return. Non-filing attracts a minimum penalty of Rs. 25,000 on the company and Rs. 25,000 on every officer in default under the Companies Act, 2013. This obligation runs entirely independently of the Section 43B(h) income-tax disallowance — a late-paying buyer can face both simultaneously.

TDS: Where MSMEs Lose Money Without Noticing

MSMEs operate on both sides of the TDS architecture — as deductors (for salaries, contractor payments, rent and professional fees) and as deductees (when large buyers deduct TDS on payments to them).

Key TDS provisions for MSMEs:

• Section 192: Salary — monthly deduction, Form 16 to employees annually.
• Section 194C: Payments to contractors/sub-contractors — 1% for individuals/HUFs, 2% for others, above Rs. 30,000 per transaction or Rs. 1 lakh in aggregate during the year.
• Section 194J: Professional and technical service fees — 10% for professional fees, 2% for technical services. Threshold: Rs. 30,000 per year.
• Section 194Q: Purchase of goods from a resident above Rs. 50 lakh per year — buyer (with turnover > Rs. 10 crore) deducts 0.1%.
• Section 194O: E-commerce operators deduct 1% on gross sales facilitated through their platform.

The AIS/TIS mismatch problem is the single largest cause of delayed refunds for MSMEs. The Annual Information Statement (AIS) and Tax Information Summary (TIS) on the income-tax portal (incometax.gov.in) aggregate all TDS credits as filed by deductors. If a deductor has quoted the wrong PAN, wrong amount or wrong section code in their 24Q/26Q return, the credit will not appear against your return — and you pay tax you have already paid.

How to handle it:

1. Download AIS/TIS from the income-tax portal after each quarter ends.
2. Match it line-by-line with your debtors ledger and TDS receivable account in your books.
3. Raise a written correction request with the deductor, referencing the TRACES (TDS Reconciliation Analysis and Correction Enabling System) rectification process.
4. If the deductor does not correct before your ITR due date, file the return correctly, claim only confirmed credits, and revise the return once the deductor's correction is processed.

Books of Account and Tax Audit: When They Apply

Section 44AA compels books of account in these situations:

• Specified professions (medicine, law, architecture, accountancy, etc.): mandatory if income exceeds Rs. 1.5 lakh or gross receipts exceed Rs. 10 lakh in any of the three preceding years (for individuals).
• Any other business (individual or HUF): if income exceeds Rs. 2.5 lakh or turnover exceeds Rs. 25 lakh in any of the three preceding years.

Section 44AB requires a tax audit by a Chartered Accountant if:

• Business turnover exceeds Rs. 1 crore (or Rs. 10 crore where both cash receipts and cash payments are each within 5% of total transactions), OR
• Professional gross receipts exceed Rs. 50 lakh.

If a sole proprietor has turnover between Rs. 1 crore and Rs. 3 crore but cash receipts are below 5%, they can still opt for Section 44AD and avoid audit entirely — the Rs. 10 crore threshold is the relief for non-presumptive businesses with predominantly digital transactions. Both thresholds should be checked; the relief that applies to you depends on whether you have elected presumptive taxation.

Common Mistakes That Cost MSMEs Money

1. Not capturing the Udyam tier at vendor onboarding. Discovering mid-year that vendors you treated as "medium" are actually "small" blows up your entire AP assumption. Build Udyam tier verification — micro, small or medium — into the vendor master at the time of onboarding.

2. Starting the Section 43B(h) clock from invoice date instead of acceptance date. The clock starts on acceptance. If goods arrive on 5 April but your GRN is entered on 12 April, you have given yourself seven false days. This is especially dangerous for companies where ERP data-entry lags physical receipt.

3. Assuming the 45-day rule always applies. Without a signed written agreement that specifies the credit period, you are on the 15-day default. A purchase order is not a written agreement for Section 43B(h) purposes.

4. Electing Section 44AD without modelling the five-year lock-in. If your margins fluctuate or a loss year is foreseeable, opting out of 44AD mid-cycle bars you from re-entry for five years. Model scenarios carefully before electing.

5. Missing 80JJAA because HR did not tag new hires from day one. The deduction requires segregating genuinely new hires and tracking their monthly emoluments from the date of joining. Retrospective identification is difficult to substantiate during assessment. Implement a hire-date tracker in April, not March.

6. Ignoring MSME Form 1 on MCA V3 while managing income-tax compliance separately. The MCA Form 1 obligation is independent. Late filing penalties apply even if the income-tax return is filed correctly and on time.

7. Leaving AIS/TIS reconciliation for the last week before ITR filing. Deductors who need to revise their TDS returns require time. A quarterly reconciliation discipline — not an annual panic — is the only reliable fix.

Key Takeaways

• Section 43B(h) is the highest-impact MSME tax provision in 2026. Any buyer who fails to pay a micro or small enterprise vendor within 15 days (no agreement) or 45 days (written agreement) loses the deduction for that financial year, re-claiming it only upon actual payment. Even a four-day delay can trigger a six-figure additional tax liability.

• Presumptive schemes (44AD/44ADA/44AE) are powerful but irreversible in the short term. The five-year opt-out restriction makes the election consequential. Do not elect without a multi-year margin and turnover projection.

• MSME companies pay corporate tax at 25% (plus surcharge and cess) where turnover is below the CBDT-notified threshold for the preceding year. New manufacturers qualifying under Section 115BAB can access a 15% rate.

• Section 80JJAA is the most under-utilised deduction for growing MSMEs — 30% additional deduction on incremental employee cost for three consecutive years, available even under Section 115BAA. Set up HR tracking from 1 April to capture it.

• Udyam Registration must be current and accurate. Lapsed certificates, wrong turnover declarations and incorrect enterprise-tier classifications create downstream AP tagging errors and dispute risks. Renew and verify annually.

• Quarterly AIS/TIS reconciliation is operational hygiene, not optional. TDS mismatches resolved before filing save time, money and refund delays.

• MSME Form 1 on MCA V3 (due 30 April and 31 October each year) runs alongside the income-tax regime as an independent MCA obligation. Buyers with outstanding dues beyond 45 days to micro or small suppliers must file — or face penalties under the Companies Act, 2013 separately from any income-tax disallowance.