The expense is genuine. So why is there a tax problem?

A business owner incurs an expense, pays for it, records it in the books, and moves on. Months later, a tax notice, a GST mismatch, or an auditor’s query arrives questioning that very expense. The instinctive reaction is confusion: “The expense was real. We needed it for the business. Why is this a problem?”

The answer is that commercial genuineness is only the starting point. Income-tax deduction, TDS compliance, GST input credit, Companies Act propriety and audit evidence are four or five separate tests — and an expense can pass one while failing another. A consultant’s fee can be perfectly deductible and still attract a 30% disallowance because tax was deducted late. A hotel bill can be authorised, invoiced and paid, and still carry blocked GST credit. A payment to a director’s relative can be entirely legal under company law and still be recomputed by an assessing officer as excessive.

Most disputes we see at the assessment or audit stage do not involve fictitious expenses. They involve real expenses that were classified, documented, or timed incorrectly. This article sets out the categories where that happens most often, why it happens, and the specific controls that prevent it — under the Income-tax Act, 2025 (effective from Tax Year 2026-27, replacing the Income-tax Act, 1961 with effect from 1 April 2026) and the CGST Act, 2017.

A note on the transition: expenditure relating to periods up to 31 March 2026 remains governed by the Income-tax Act, 1961; expenditure from 1 April 2026 onward falls under the Income-tax Act, 2025. Tax policy on business expenditure is substantially unchanged — the general “wholly and exclusively for business” test formerly in Section 37(1) now sits in Section 34, the disallowance provisions covering TDS defaults formerly in Section 40 now sit in Sections 35–37, and non-salary TDS provisions formerly spread across Sections 194A to 194T are now consolidated into Section 393 (salary TDS remains separately housed in Section 392). Where we cite a 1961-Act section for reader familiarity, we flag its 2025-Act counterpart.

1. Payments to Directors, Promoters and Related Parties

The expense: Remuneration, rent, consultancy fees, commission or purchases paid to directors, promoters, their relatives, or group/sister concerns.

Where the problem arises: Related-party payments face three independent checks — reasonableness under income-tax law, procedural approval under company law, and disclosure under accounting standards. An assessing officer can treat an “excessive or unreasonable” payment to a related party as disallowable to the extent it exceeds fair market value (the substance of the old Section 40A(2), now carried into the disallowance framework of the 2025 Act). Separately, under the Companies Act, 2013, contracts with related parties generally require Board approval, and beyond prescribed thresholds, prior approval of the company in general meeting under Section 188 — with interested directors excluded from voting. Ind AS 24 additionally requires disclosure of the transaction and the relationship, irrespective of whether any price was charged.

The common misconception: “It’s disallowed only if the related party doesn’t pay tax on it” — false. Reasonableness is tested independently of the recipient’s tax position.

Example: A private company pays its promoter-director ₹8 lakh a month as “consultancy fees” in addition to salary, with no defined scope of work. On scrutiny, the excess over a defensible market rate for comparable consultancy can be added back as income, quite apart from any Companies Act non-compliance for want of Board/shareholder approval.

How to avoid it: Benchmark related-party rates against independent market quotes; document the commercial rationale in board minutes; obtain Section 188 approval where thresholds are crossed; disclose the relationship and terms in the financial statements regardless of materiality.

2. Directors’ and Employees’ Personal Expenses Routed Through the Company

The expense: Club memberships, personal travel, family accommodation, personal credit-card bills, or medical costs paid or reimbursed by the company.

Where the problem arises: An expense that benefits an individual personally is either a disallowable expenditure for the company, a taxable perquisite in the individual’s hands, or both. Booking it merely as “business expense” in company books does not settle its tax character — the substance of the benefit governs.

The myth: “A company can pay any expense of its director if it is booked in the company’s books.” It cannot. Booking is an accounting entry, not a legal characterisation. If the benefit is personal, it is either disallowed to the company, taxed as a perquisite to the director/employee, or subject to fringe-benefit-style GST/TDS consequences depending on how it is structured.

Example: A company pays for a director’s family holiday and books it as “business promotion travel.” The correct treatment is to identify the personal component, treat it as a perquisite taxable in the director’s hands (with TDS on salary under Section 392 if he is also an employee, or as deemed dividend/income in appropriate cases), and disallow it as a company deduction — not to leave it buried in a travel ledger.

How to avoid it: Maintain a written travel/expense policy distinguishing business and personal components; apportion mixed-purpose expenses at the time of booking, not at audit time; route genuine personal benefits through payroll as taxable perquisites rather than as unallocated “business” cost.

3. Business Promotion, Gifts, Hospitality and Client Entertainment

The expense: Customer gifts, dealer incentives, festival gifts, hospitality, client dinners and free samples.

Where the problem arises: These expenses sit at the intersection of three separate rules that are frequently confused:

• Income-tax deductibility: Genuine business promotion expenditure — advertising, dealer incentives, samples — is ordinarily deductible under Section 34 (the “wholly and exclusively” test) if it is not capital, personal, or in the nature of a bribe/illegal payment (illegal gratification, whether to government servants or otherwise, is expressly non-deductible).
• GST input credit: ITC on food, beverages, outdoor catering and club memberships is blocked under Section 17(5)(b) of the CGST Act, regardless of income-tax deductibility, unless the employer is under a statutory obligation to provide the benefit (for example, a factory canteen mandated under labour law) or the taxpayer is itself in the business of supplying such services onward.
• Perquisite/TDS treatment for the recipient: Gifts and incentives to dealers/agents that are effectively additional remuneration for services can attract TDS as commission rather than being treated as pure gifts.

The myth: “GST credit and income-tax deduction are the same thing.” They are not — a client dinner can be a fully deductible business expense for income tax while its GST component remains completely non-creditable.

Example: A company spends ₹3 lakh on Diwali gifts to distributors. The expenditure may be deductible as business promotion, but GST paid on gift items exceeding value thresholds under Schedule I read with the reversal provisions, and on any hospitality component, may not be available as credit — the two computations must be done independently, not netted against each other.

How to avoid it: Classify promotional spend by GST category before claiming credit; keep entertainment and pure promotion in separate ledger heads; treat dealer “incentives” that are performance-linked as commission for TDS purposes.

4. Cash Expenses and Self-Made Vouchers

The expense: Site expenses, small vendor payments, local purchases, or reimbursements settled in cash.

Where the problem arises: Under the disallowance provisions carried forward from Section 40A(3) into the 2025 Act, any single payment exceeding ₹10,000 to one person in one day, otherwise than by account-payee cheque, account-payee draft, or a prescribed electronic mode, is disallowed in full — not merely the amount over the threshold. The limit is ₹35,000 for payments to a transport operator for plying, hiring or leasing goods vehicles. Rule 6DD carves out specific exceptions (payments to government/banks, to producers of agricultural or dairy produce in certain circumstances, where banking facilities are not available, and a few others) — these exceptions are narrow and fact-specific, not a general licence for cash.

The myth: “Cash expenses below ₹10,000 are always allowed.” Being below the threshold avoids the automatic disallowance under this specific provision — it does not exempt the expense from ordinary documentation requirements, and splitting a single genuine payment into multiple ₹9,000 cash instalments to the same person on the same day does not escape the rule, because the restriction operates per person per day in aggregate.

How to avoid it: Route all vendor and contractor payments above ₹10,000/day through banking channels as a default policy; where cash is unavoidable, confirm the payment genuinely falls within a Rule 6DD exception and retain supporting proof; replace self-made vouchers with third-party-issued bills wherever the transaction size justifies it.

5. Vendor Purchases, GST Input Credit and Documentation Mismatches

The expense: Routine purchases of goods and services from vendors.

Where the problem arises: Availing ITC requires meeting the conditions under Section 16 of the CGST Act — a valid tax invoice, actual receipt of goods/services, tax actually paid to the government by the supplier, and the return being filed by the recipient within the prescribed time. A recipient’s ITC can be denied or reversed even where the recipient acted in good faith, if the supplier has not deposited the tax or has not filed returns, subject to the safeguards and reconciliation mechanism under Section 16(2)(aa)/GSTR-2B matching.

The myth: “If the vendor has charged GST on the invoice, ITC is automatically available.” It is not — availability depends on the supplier’s own compliance and on the invoice matching the recipient’s auto-populated statement.

Other common failure points: invoices raised in the name of a different group entity than the one claiming the expense or credit; goods received before the corresponding invoice, creating timing mismatches between the accounting period and the GST period; and purchases from related parties at values inconsistent with open-market value, which can attract valuation scrutiny under GST as well as income-tax transfer-pricing-style questions for domestic related-party transactions in specified cases.

How to avoid it: Reconcile GSTR-2B against the purchase register every month rather than at year-end; verify vendor GST return-filing status periodically for high-value or ongoing suppliers; ensure invoices are addressed to the correct legal entity claiming the expense.

6. Professional Fees, Contractor Payments and TDS Classification

The expense: Payments to consultants, lawyers, architects, freelancers and contractors.

Where the problem arises: The single most common failure is misclassifying a payment — treating professional/technical fees as a “contract” payment (or vice versa) — because the applicable TDS rate differs. Under the consolidated framework of Section 393 of the 2025 Act (formerly Sections 194C for contractors and 194J for professional/technical fees), incorrect classification does not merely change the rate; if the shortfall is not made good, the expense faces disallowance under the amounts-not-deductible provisions (formerly Section 40(a)(ia)) — currently a 30% disallowance for payments to residents, not 100%, where TDS was not deducted or deposited, though 100% disallowance principles historically applied and can still apply in other default scenarios.

The myth: “If TDS was deducted, the expense is automatically safe.” Deducting TDS addresses the withholding obligation; it does not, by itself, establish that the underlying expense is genuine, at arm’s length, or correctly classified as revenue rather than capital in nature.

Example: A company pays ₹1,20,000 to a consultant without deducting TDS. On this amount, 30% (₹36,000) can be disallowed while computing business income for that year. If the company subsequently deducts and deposits the TDS — even in a later year — the disallowed amount becomes deductible in the year of actual deposit, so the position is correctable but not without a timing cost and interest exposure.

How to avoid it: Maintain a TDS-applicability matrix mapped to vendor categories; classify every new vendor contract at onboarding, not at year-end; track deduction and deposit deadlines separately, since deducting on time and depositing late both create exposure.

7. Repairs versus Capital Expenditure

The expense: Office renovation, machinery overhaul, software purchases, website development and furniture.

Where the problem arises: Revenue expenditure (current repairs, maintenance) is deductible in the year incurred; capital expenditure (which brings into existence an asset or advantage of enduring benefit, or amounts to a fundamentally new asset rather than restoration) must be capitalised and depreciated. Businesses frequently expense capital items to accelerate deduction, or the reverse — capitalise routine repairs unnecessarily and lose the immediate deduction. GST treatment compounds this: ITC on works contract services or goods used for construction of an immovable property (other than plant and machinery) is blocked under Section 17(5)(c)/(d) regardless of how the expense is booked for income-tax purposes.

Example: A company buys a ₹75,000 laptop for business use and books it as “office repairs” to claim an immediate full deduction. The laptop is a depreciable asset; the correct treatment is capitalisation and depreciation claim (subject to the applicable rate), not a one-time revenue write-off. Mischaracterisation like this is one of the most frequently adjusted items in scrutiny assessments precisely because it is easy to detect from ledger descriptions.

How to avoid it: Apply a written capitalisation policy with a value threshold and an “enduring benefit” test; distinguish “current repairs” (restoring an asset to its original condition) from “improvement” (enhancing capacity or life); review the fixed-asset register against the repairs ledger periodically.

8. Rent and Lease Payments, Including to Related Parties

The expense: Office and factory rent, including rent paid to a director or promoter-owned entity.

Where the problem arises: Rent is deductible, but three checks apply cumulatively: TDS under Section 393 (formerly Section 194-I) on rent above the prescribed annual threshold; GST payable under reverse charge in specified circumstances (e.g., renting of residential property to a registered person, subject to the current exemption/RCM framework); and, where the landlord is a related party, reasonableness of the rent compared to market rates, with any excess subject to the same disallowance risk described in Section 1 above.

Example: A company pays rent to its managing director for premises owned by him. If the rent is materially above market for comparable space, the excess can be disallowed as unreasonable, independent of whether TDS was correctly deducted on the full amount paid.

How to avoid it: Obtain an independent rent valuation for related-party premises; execute a formal lease deed even between related parties; deduct TDS on the gross rent regardless of the relationship.

9. Foreign Payments — Software, Consultancy, Commission and Reimbursements

The expense: Overseas SaaS subscriptions, foreign consultants, commission to overseas agents, and reimbursement of foreign travel.

Where the problem arises: Foreign remittances raise three separate questions that are often collapsed into one: (a) is the payment “chargeable to tax” in India in the recipient’s hands, triggering withholding under Section 393 (formerly Section 195) — a question that depends on the nature of the payment, any applicable DTAA, and whether it constitutes royalty/fees for technical services or independent business income not taxable absent a permanent establishment; (b) is the transaction reportable to the Reserve Bank under FEMA, typically through Form 15CA (and Form 15CB, a chartered accountant’s certificate, where applicable) before remittance; and (c) does GST apply under reverse charge on import of services.

The myth: “All foreign payments are subject to TDS.” Not correct — many payments for standard SaaS subscriptions or for services rendered wholly outside India by a person with no business connection in India may not be taxable in India at all, and Form 15CA/15CB requirements themselves carry specified exemptions for certain remittance categories. The determination depends on the character of the payment and applicable treaty relief, not a blanket rule.

How to avoid it: Classify every foreign payment by nature (royalty, FTS, reimbursement, independent services) before remittance; obtain a no-PE / beneficial-ownership declaration and DTAA documentation where lower withholding is claimed; confirm current Form 15CA/15CB applicability with the authorised dealer bank rather than assuming exemption.

10. Penalties, Fines and Settlement Payments

The expense: Statutory penalties, compounding fees, contractual damages and negotiated settlements.

Where the problem arises: The dividing line is between expenditure incurred for an infraction of law (never deductible, by explicit statutory bar) and compensatory payments made in the ordinary course of business, such as liquidated damages for delay under a commercial contract, which are generally deductible because they are not penal in character.

The myth: “All penalties and fines are automatically disallowed.” Over-broad. A payment described as a “penalty” in a commercial contract for late delivery is, in substance, compensatory and typically remains deductible; a penalty levied by a government authority for violation of law is not. The label used in the agreement or challan is not conclusive — the underlying nature of the payment is.

How to avoid it: Analyse every “penalty” or “settlement” payment for its underlying character before claiming or denying deduction; keep statutory penalties, interest on statutory dues, and contractual damages in clearly separate ledger heads; retain the underlying order/agreement as documentary support.

11. CSR Expenditure and Donations

The expense: Corporate Social Responsibility spend mandated under the Companies Act, and voluntary charitable donations.

Where the problem arises: CSR expenditure incurred to discharge the statutory obligation under Section 135 of the Companies Act, 2013 is generally not deductible as a business expense for income-tax purposes, since it is treated as an application of income rather than expenditure incurred for earning income — though donations forming part of CSR spend to funds/institutions otherwise eligible for a specific deduction may still qualify for that deduction where the conditions of the relevant provision are independently satisfied. On the GST side, ITC on goods or services used for CSR obligations is now expressly blocked under Section 17(5) of the CGST Act, following its amendment to specifically cover CSR.

The myth: “CSR expenditure is deductible because it is mandatory under law.” Mandatory does not mean deductible — the two questions are governed by entirely different statutes with different objectives.

How to avoid it: Track CSR spend separately from other donations and sponsorships from the outset; verify eligibility for any specific-provision deduction on a donation-by-donation basis rather than assuming CSR status confers deductibility; account for the blocked GST credit as a cost when budgeting CSR projects.

12. Advances, Provisions and Expenses Without Contemporaneous Documentation

The expense: Employee and vendor advances, year-end provisions, and journal-entry bookings without underlying bills.

Where the problem arises: A provision for an expense is deductible only if the liability has crystallised and can be estimated with reasonable certainty on accepted accounting principles — a vague or contingent provision is not. Advances are not expenses at all until the corresponding service/goods are actually received and the liability is settled; carrying them as expenses prematurely misstates both the tax computation and the financial statements. Long-outstanding advances and provisions are also a routine trigger for auditor qualification and tax-department scrutiny because they signal weak underlying documentation.

The myth: “If an auditor has signed off on the accounts, the tax department cannot question an expense.” Incorrect — audited financial statements establish accounting compliance, not the correctness of a tax position, which the tax authorities are free to examine independently.

How to avoid it: Reconcile old advances at each year-end and either settle, write off, or justify them contemporaneously; support every provision with a computation basis, not a round-figure estimate; avoid using generic journal entries for expenses that should have a vendor bill trail.

5 Myths Business Owners Should Stop Believing

1. “A genuine business expense is automatically deductible.” Genuineness is necessary but not sufficient — classification (capital/revenue), TDS compliance, and documentation are independent tests that must each be satisfied.
2. “A GST invoice guarantees ITC.” ITC depends on the supplier’s compliance, the nature of the supply (blocked categories under Section 17(5)), and return-matching — not merely on possessing an invoice.
3. “TDS deduction makes an expense fully safe.” TDS addresses withholding; it does not validate the expense’s genuineness, arm’s-length pricing, or capital/revenue character.
4. “Personal expenses become legitimate if the director says they are business-related.” The substance of the benefit, not the director’s characterisation, determines tax treatment.
5. “Audited accounts are beyond tax-department challenge.” Statutory audit tests accounting compliance; it does not bind the tax authorities on the deductibility of any specific item.

A Practical Expense-Control Checklist

Before booking or claiming a significant expense, ask:

1. Is it genuinely and demonstrably business-related, with no personal component left unallocated?
2. Is the invoice/documentation in the name of the correct legal entity and otherwise complete?
3. Is TDS applicable, and under which head — has the correct classification been applied?
4. Is GST ITC available, or does it fall within a Section 17(5) blocked category?
5. Is the payment mode compliant with the cash-payment restriction?
6. Is the expense revenue or capital in nature, and has it been booked accordingly?
7. Is a related party involved, and if so, is the pricing defensible and is Companies Act approval in place?
8. Does the expense create a personal benefit that should instead be routed as a taxable perquisite?
9. Does FEMA/RBI reporting (Form 15CA/15CB) or withholding under Section 393 apply to any cross-border element?
10. Can the commercial purpose and supporting documentation withstand scrutiny years after the event?

Conclusion

None of the categories above involve exotic transactions. They are the ordinary cost of running a business — rent, salaries, consultants, travel, promotion, repairs. The recurring lesson is that Indian tax and regulatory law tests each of these expenses along several independent dimensions at once, and a business that satisfies only the most obvious one — “we genuinely spent the money” — is still exposed on the others. Building expense controls around classification, related-party pricing, TDS mapping and GST eligibility at the point of booking, rather than at the point of assessment, is what separates a business that survives scrutiny from one that spends the following year contesting it.