Section 37 of Income Tax Act

Section 37 allows eligible business and professional expenses to be deducted from taxable income when they are incurred wholly and exclusively for business purposes.

• The expense must relate directly to the business or profession.
• It must not be personal or capital in nature.
• It should not already be covered under Sections 30 to 36.
• Fines, bribes and other unlawful payments are not deductible.
• CSR expenses are not allowed under Section 37(1).
• Businesses should maintain invoices, receipts and payment records.

• The deductibility of an expense depends on its purpose, nature and supporting evidence.

  
  
  

Section 37 of the Income Tax Act is a general provision that allows businesses and professionals to claim certain expenses as deductions. The expenditure must be incurred wholly and exclusively for carrying on the business or profession.
The section generally applies when the expense is not covered under another specific deduction provision. It helps businesses deduct legitimate operational costs while calculating taxable profits.
However, an expense cannot be claimed merely because it appears in the business accounts. Its actual purpose and connection with the business must be established.
 

Section 37(1) allows genuine business expenditure but excludes personal expenses, capital expenditure and payments connected with unlawful activities.

The expense should also not fall under Sections 30 to 36 of the Income Tax Act. If another section specifically covers the expense, it must be claimed under that provision.

Which expenses prohibited by law are disallowed under Section 37(1)?

Any expenditure incurred for an offence or an activity prohibited by law cannot be claimed as a deduction.

Examples include:

• Bribes or illegal payments
• Fines imposed for breaking the law
• Penalties arising from unlawful conduct
• Payments made to carry out prohibited activities

For example, if a company pays a penalty for violating environmental regulations, it cannot normally claim the amount as a business deduction.

The nature of the payment must still be examined carefully. Not every charge described as a penalty may have the same tax treatment.

Why are CSR expenses not deductible?

Corporate Social Responsibility expenses covered under Section 135 of the Companies Act, 2013 are not deductible under Section 37(1).

These expenses are treated as amounts spent towards statutory social obligations rather than expenses incurred wholly and exclusively for business purposes.

However, a CSR-related payment may qualify under another provision of the Income Tax Act if it meets the conditions of that specific section.

The following conditions generally apply:

• The expense must be incurred for business or professional purposes.
• It should be wholly and exclusively connected with the business.
• It must be revenue expenditure rather than capital expenditure.
• It should not be a personal expense.
• It must not be covered under Sections 30 to 36.
• It must not relate to an offence or activity prohibited by law.
• Proper documents should be available to support the claim.

Businesses should maintain invoices, agreements, receipts, bank statements and other relevant records. These documents help establish the nature and purpose of the expenditure.

The following expenses may qualify when they are incurred for business purposes and are not covered by another section:

• Advertising and marketing expenses
• Professional fees paid to consultants, lawyers or accountants
• Business travel and accommodation costs
• Employee training expenses
• Recruitment costs
• Software subscriptions used for business
• Communication and administrative expenses
• Certain employee welfare expenses
• Routine business promotion costs

Each expense must be assessed separately. Merely including an amount in the business accounts does not automatically make it deductible.

Some expenses, including rent, repairs or insurance, may be covered under specific sections. Their treatment should be checked before claiming them under Section 37.

The following expenses are generally not allowed:

• Personal expenses unrelated to the business
• Capital expenditure, such as purchasing property or machinery
• Bribes and illegal payments
• Penalties for violating the law
• CSR expenditure covered under Section 135 of the Companies Act
• Expenses already covered under Sections 30 to 36

• Payments without sufficient supporting documents

  
  

Businesses should correctly separate personal, capital and operational expenses before preparing their income tax returns.

Businesses and professionals can follow these steps:

1. Identify the purpose of the expense.
2. Confirm that it is related to the business or profession.
3. Check whether another section specifically covers it.
4. Ensure that the expense is revenue and not capital in nature.
5. Confirm that the payment is legal.
6. Collect invoices, receipts and payment records.
7. Record the expense under the correct accounting head.
8. Include the eligible amount while calculating business income.

A tax professional may be consulted where the nature or deductibility of an expense is unclear.

Allowed expenses

A manufacturing company spends ₹5 lakh on an advertising campaign for its products. The expense may qualify because it is connected with business promotion and is revenue in nature.

A business pays ₹2 lakh to a consultant for professional advice. The amount may be allowed if the service relates to the business and proper documents are maintained.

Employee training expenses may also qualify when the training helps employees perform their business roles.

Disallowed expenses

A company pays a ₹50,000 penalty for violating environmental regulations. This amount cannot normally be claimed because it arises from a violation of law.

A business owner spends ₹1 lakh on personal travel and records it as business travel. The amount is not deductible because it is personal.

The cost of purchasing machinery is also not allowed under Section 37 because it is capital expenditure. Depreciation may instead be considered under the applicable provisions.

Group health insurance premiums paid by an employer for employees may generally be claimed as a business expense under Section 37.
The payment should be made for employee welfare and have a clear connection with the business. The employer should maintain the policy document, employee details, premium receipts and payment records.
Any portion related to the personal benefit of the owner or individuals unrelated to the business may not qualify.
 

Section 37 of the Income Tax Act allows businesses and professionals to deduct eligible revenue expenses incurred wholly and exclusively for business purposes. However, personal expenses, capital expenditure, CSR spending and unlawful payments are not allowed under this provision.
Businesses should examine the purpose and nature of every expense before claiming it. Maintaining proper records and classifying expenditure correctly can help reduce errors and avoid deductions being disallowed during tax assessment.