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What is Section 37 of the Income Tax Act

13 October, 2025

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Section 37 of the Income Tax Act

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In India, the Government offers several tax deductions to companies to enhance their business growth. However, they are applicable for a certain list of expenses, which are stated under Section 37 of the Income Tax Act. Thus, to file the returns accurately and enjoy the benefits of deductions, they know Section 37 of the Income Tax Act. In this blog, we deep dive into this in detail. Stay tuned.

 

Understanding Section 37 of the Income Tax Act

Under Section 37 of the Income Tax Act, a business can claim deductions on expenses incurred in running its trade or profession. This helps reduce the overall taxable income and lowers the tax burden on the business owner. Any expense that is “wholly and exclusively” related to the business qualifies for a deduction.

Examples include employee salaries, legal fees, loan interest, and business-related perquisites like insurance premiums. Since these costs are directly linked to day-to-day operations, they can be claimed under Section 37. Now let’s take a closer look at Section 37(1) of the Income Tax Act.

Section 37 (1)

Section 37(1) builds on the general provision of Section 37 and adds specific restrictions. It clearly states that expenses related to unlawful activities or those prohibited by law cannot be claimed as deductions. Similarly, certain CSR expenses under Section 135 of the Companies Act, 2013, are also excluded. Examples of expenses not allowed under Section 37(1) include:

 

  • Bribes
  • Protection money
  • Donations that are illegal or against public policy
  • Freebies

 

CSR expenses are covered under Section 135 of the Companies Act, 2013. In short, while Section 37 allows deductions for legitimate business expenses, Section 37(1) draws the line by disqualifying unlawful or restricted expenses.

Conditions for Allowance Under Section 37 

To claim deductions under Section 37 of the Income Tax Act, there are certain conditions which businesses need to consider: 

Not a Personal or Capital Expenditure

Business owners can claim deductions under Section 37 only for business-related expenses. Personal costs, like household spending, and capital investments, such as buying property or machinery, don’t qualify. Section 37 covers operational expenses that help run their business, not assets or personal use.

Not Fall Under Sections 30 to 36

The Income Tax Act already allows deductions for specific expenses under Sections 30 to 36, such as rent, depreciation, and repairs. Use Section 37 only for expenses that do not fall under those predefined categories.

Illegal or Prohibited Activities

The law does not allow deductions for unlawful expenses. Payments such as bribes, penalties, or protection money are excluded under Section 37. This ensures businesses stay compliant and cannot reduce their tax burden using illegal practices. Claim only those expenses that align with legal and ethical business standards.

Incurred for Trade or Profession

Business owners spend the amount wholly and exclusively for their trade or profession. The expense should directly support your business operations or help generate income. Costs that serve personal interests or have no connection to their work will not qualify. Keep your claims strictly business-focused to stay eligible.

Paid or Accrued in the Previous Year

Business owners can claim deductions only for expenses paid or accrued in the financial year immediately before the assessment year. This ensures claims match the correct accounting period. They cannot shift expenses to different years to lower taxes. Accurate timing and proper records are key to qualifying under Section 37.

List of Expenses Allowed as Deduction Under Section 37(1)

Here is the list of expenses allowed a deduction under section 37 (1):

Interest on Business Loans

Businesses can claim deductions on interest paid for loans taken specifically for business purposes. However, this benefit does not extend to loans used for capital expenditure, such as purchasing property or fixed assets. Only interest directly connected with business operations qualifies.

Legal Fees

Expenditure on legal services, including fees paid to lawyers, advocates, or solicitors, is deductible if it relates to the company’s business activities. These costs must be tied to the trade or profession for which the business operates.

Advertisement Expenses

Expenses on advertising products or services through print, digital, or other media qualify for deduction. However, advertisements linked to political parties or agendas are excluded under Section 37(1).

Salaries to Employees

Salaries paid to employees, including compensation on termination, are deductible. Payments made to partners may also qualify, subject to specific conditions under Section 37. Salaries paid to the business proprietor, however, are not eligible for deduction.

Loan Raising Expenses

Expenses incurred while raising business loans, such as registration charges, stamp duty, and brokerage fees, are considered deductible under Section 37(1), as they are necessary for business operations.

Penalty Payments

Penalty payments are treated differently depending on their nature. Penalties imposed for violating laws cannot be deducted. However, compensatory payments, such as damages arising from contractual liabilities, may qualify for deduction.

Other Deductible Expenses

  • Apart from the above, Section 37(1) also allows deductions for:
  • Fees paid to the Registrar of Companies for legal compliance
  • Employee welfare expenses
  • Festival-related costs, such as Diwali or Christmas celebrations
  • Bonuses and gifts to employees, provided these are not considered perquisites
  • Telephone connection expenses
  • Professional service fees

How Businesses Can Claim Deductions Under Section 37 of the Income Tax Act, 1961

Here is the eligibility criteria for business owners to claim deductions under section 37:

Step 1: Check for Eligibility

Before claiming deductions, a business must ensure that the expenses meet the criteria specified under Section 37. Only expenditures that are wholly and exclusively incurred for business operations and do not fall under prohibited or capital expenses qualify. Careful evaluation helps prevent errors and ensures compliance with tax regulations.

Step 2: Maintain Proper Documentation

Businesses must maintain proper records of all expenses, including invoices, receipts, and supporting documents. Accurate documentation serves as proof for the claimed deductions and is essential in case of scrutiny by tax authorities. Keeping organised records also simplifies the process of calculating total eligible deductions.

Step 3: Select the Appropriate ITR Form

Choosing the correct ITR form is crucial for filing returns. Business owners and professionals should use ITR 3, firms or LLPs should use ITR 5, and companies should use ITR 6. Selecting the right form ensures that expenses under Section 37 are properly reported and prevents errors or delays in processing.

Step 4: Report Eligible Expenses

After selecting the appropriate ITR form, businesses must report all eligible expenses under the section “Profits and Gains of Business or Profession.” Each deductible expense should be carefully entered to ensure accuracy and compliance. Correct reporting helps maximise eligible deductions and reduces the risk of discrepancies during assessment.

Step 5: Verify Accurate Accounting

Businesses should match recorded expenses in their accounting books with the deductions claimed under Section 37. Accurate alignment ensures that only valid expenses are claimed and supports the credibility of the financial statements. Proper verification also helps avoid notices or penalties from tax authorities.

Step 6: Submit the ITR

Once the ITR form is accurately filled out with all eligible expenses, the business must submit it before the due date. Timely submission ensures compliance with the Income Tax Act and avoids late fees or penalties. Filing on time also allows businesses to benefit from deductions and reduce taxable income effectively.

Final Thoughts

Section 37 of the Income Tax Act provides businesses with a clear framework to claim deductions for legitimate operational expenses. Proper compliance and documentation ensure maximum tax benefits while staying aligned with legal standards. Businesses can also explore Niva Bupa Group Insurance to provide comprehensive health coverage for employees, integrating financial planning with employee welfare effectively.

 

FAQs

Q1. Can a business claim CSR expenses under Section 37?

No. CSR expenses are governed under Section 135 of the Companies Act and are not deductible under Section 37.

Q2. Are salaries paid to the proprietor deductible?

No. Salaries paid to the business owner are not eligible under Section 37, though partner salaries may qualify under specific conditions.

Q3. Is interest on a property loan deductible?

Only interest on loans for business operations qualifies; property or capital loans are excluded.

Q4. Can penalties for violating laws be claimed?

No. Only compensatory or contractual penalties are eligible; illegal fines are not deductible.

Q5. What documents are required to claim deductions under Section 37?

Keep invoices, receipts, payment proofs, and accounting records to substantiate all eligible 

business expenses.

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