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Section 37(1) of Income Tax Act: Expenses allowed & disallowed as business deductions

Section 37(1) of Income Tax Act: Expenses allowed & disallowed as business deductions

Businesses and individuals must understand tax laws to manage finances efficiently. You can save a lot of money if you have the required knowledge about tax filing. One such provision from the Income Tax Act is Section 37. It provides guidelines for the deductibility of certain expenses you incur to run your business. The section is crucial in lowering taxable income for businesses while enabling them to comply with legal and ethical standards.

This article takes you through the meaning of Section 37 of the Income Tax Act, its key provisions, eligibility, allowed and disallowed deductions, and other important information.

Understanding Section 37 of the Income Tax Act

Section 37 of the Income Tax Act focuses on business expenses. You can use it to deduct expenses while calculating taxable income. However, these expenses must be made toward business operations. You cannot claim deductions under Section 37 if the expenses are personal. Similarly, if the expenses are related to illegal activities like bribery, they cannot be claimed. A capital expense is also excluded.

Generally, Section 37 allows you to deduct expenses that help in the smooth operation of the business. These include any operational charges, such as office expenses, professional fees, etc.

Also, read – Income tax slab for FY 2025-26

Key provisions of Section 37(1)

The key provisions of Section 37 (1) of the Income Tax Act are:

  • Explanation (1) of Section 37 of the Income Tax Act highlights that any expense incurred for illegal activities or purposes prohibited by law is not allowed as a deduction. This prevents tax benefits on unlawful payments.
  • Explanation (2) of Section 37 of the Income Tax Act clarifies that expenses incurred on Corporate Social Responsibility (CSR) activities are not allowed as deductions.

The above explanations define how you can reduce taxable income only with genuine and lawful business expenses.

Eligibility criteria for deduction under Section 37

You must meet certain conditions to claim deductions under Section 37. These include the following:

  • The expense should be incurred wholly and exclusively for business or professional purposes.
  • It must be a revenue expense, not a capital or personal expense.
  • The expense should not be related to any illegal activity or prohibited by law.
  • It must be incurred during the relevant financial year.
  • The business must keep proper records and proof of the expense to support the deduction claim during tax assessment.

Also, read – Income Tax on Rs. 12 Lakh Salary

Expenses allowed as a deduction from business income

The expenses allowed as a deduction from business income under Section 37 of the Income Tax Act include:

  • Office rent and lease payments for business premises
  • Electricity, water, and other utility bills
  • Salaries, wages, and employee welfare expenses
  • Professional fees paid to lawyers, consultants, or accountants
  • Advertising, marketing, and promotional expenses
  • Business travel, conveyance, and communication costs
  • Repair and maintenance of office equipment
  • Administrative and day-to-day operational expenses

To qualify for a deduction under Section 37(1), all expenses must be business-related, genuine, and supported by proper records.

Also, read – How to save tax for a salary above 50 lakhs?

Practical examples of deductible expenses

You can better understand deductible expenses with the following practical examples.

  1. A company paying monthly office rent can claim the rent as a deduction because it is a necessary, genuine, and legal expense to run the business.
  2. The fees paid to a chartered accountant for preparing accounts or tax returns are deductible, as the service supports business operations.

Since these expenses focus on generating business income and supporting its growth, they are deductible.

Expenses not allowed as a deduction under Section 37(1)

The expenses you cannot claim as a deduction under Section 37(1) of the Income Tax Act include:

  • Personal expenses of the business owner that are not related to business activities
  • Capital expenses like buying land or machinery that aim to create long-term assets
  • Expenses related to illegal activities
  • Fines and penalties paid for breaking laws
  • Expenses not supported by proper records
  • Expenses that do not help earn business income and are incurred for non-business purposes

Also, read – Key Personal Income Tax Slabs Suggested in the Final Budget

Examples of non-deductible expenses

The common examples of non-deductible expenses under Section 37(1) of the Income Tax Act include:

  1. If a business owner claims household expenses like personal travel or home electricity bills, these are disallowed because they are personal in nature.
  2. Fines paid for breaking laws, such as penalties for late tax filing or traffic violations, cannot be deducted because they are imposed for illegal acts.

These expenses do not qualify for a business deduction.

Summary: Deductible vs non-deductible expenses

BasisDeductible expensesNon-deductible expenses
NatureIncurred exclusively for business purposesIncurred for personal or non-business use
Legal statusLegal and permitted by lawIllegal or prohibited by law
TypeRevenue expensesCapital or personal expenses
ExamplesRent, salaries, advertising, professional feesFines, penalties, and personal travel
Tax treatmentAllowed as deduction under Section 37(1)Disallowed while computing business income
DocumentationProper bills and records requiredClaims rejected due to ineligibility

How to claim deductions under Section 37(1)?

The step-by-step process to claim deductions under Section 37(1) of the Income Tax Act is as follows:

  • List down expenses: Identify expenses that are wholly and exclusively related to business activities.
  • Check their eligibility: Ensure the expense is revenue in nature, not personal or capital. Also, check that the expense is legal and not prohibited by law.
  • Maintain records: Keep proper bills, invoices, and payment receipts as proof.
  • Add expenses in accounting books: Record the expense correctly in the books of accounts.
  • Claim the expenses: While calculating business income on the income tax return, mention the eligible expenses. Ensure that you claim the expense in the correct financial year.
  • Respond to queries: Be ready to explain and justify the expense if asked by tax authorities.

Also, read – Capital Gain Tax on Property Sale

Documentation required for claiming deductions

The documents you need for claiming deductions under Section 37 include:

  • Proper bills and invoices showing the expense amount, date, and supplier name
  • Payment proof, such as bank statements, cheques, or online transaction receipts
  • Written agreements or contracts for rent, services, or professional fees
  • Details of salary records, payslips, and employee payments
  • Expense vouchers for travel, conveyance, and daily business costs
  • Books of accounts reflecting the expenses

Maintaining clear and accurate documents helps support deduction claims during tax assessment and audits.

Also, read – Tax terms for beginners

Common mistakes to avoid while claiming deductions

Most business owners commit mistakes while claiming deductions, leading to disallowance. You must try to avoid the following common errors:

  • You must not claim personal or household expenses as business expenses.
  • Failing to keep proper bills, invoices, or payment proof can lead to disallowance.
  • It is incorrect to claim capital expenses as revenue expenses.
  • Do not claim expenses related to illegal activities.
  • Providing incorrect amounts or duplicate claims can cause issues.
  • There can be problems if you claim expenses in the wrong financial year.

It is essential to avoid these mistakes to ensure accurate tax filing. By following the process accurately, you can reduce scrutiny and also prevent penalties during tax assessment.

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FAQs

Can startups claim expenses under Section 37(1)?

Yes, startups can claim expenses under Section 37(1) if the expenses are wholly and exclusively incurred for business purposes. The expense must be revenue in nature, not personal or capital, and properly supported by records.

Are personal expenses allowed under Section 37(1)?

No, personal expenses are not allowed under Section 37(1) of the Income Tax Act. Only expenses directly related to business or professional activities can be claimed. Personal or household expenses are excluded because they do not help in earning business income.

What is the penalty for wrong deduction claims?

If a wrong deduction is claimed, tax authorities may disallow the expense and charge additional tax. Penalties and interest may also apply for inaccurate reporting or concealment of income, depending on the nature of the mistake.

What is disallowance under Section 37 1 of the Income Tax Act?

Disallowance under Section 37(1) means rejection of an expense claimed as a deduction. Expenses are disallowed if they are personal, capital in nature, illegal, or not incurred wholly and exclusively for business purposes.

What is Section 37 1 of the Income Tax Act keyman insurance?

The premium paid for a Keyman Insurance Policy is allowed as a business expense under Section 37(1). It is permitted because the policy protects the business from financial loss due to the death of a key employee.

What is the explanation 1 to Section 37 1?

Explanation 1 to Section 37(1) of the Income Tax Act states that any expense incurred for illegal activities or activities prohibited by law is not allowed as a deduction. This ensures businesses cannot claim tax benefits on unlawful payments.
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