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Published on: Jul 30, 2026

Form 3co - Income Tax

Application form for approval under sub-section (1) of section 35CCC of the Income-tax Act, 1961

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Frequently Asked Questions

Common questions about Form 3CO Income Tax Approval.

Form 3CO is an Income Tax Application form for seeking approval under sub-section (1) of section 35CCC of the Income-tax Act, 1961. This form is used by companies engaged in scientific research and development activities to claim deductions for expenditure incurred on such activities.
Any company engaged in scientific research and development activities can file Form 3CO. The company must be a company to which the provisions of section 35CCC of the Income-tax Act, 1961 apply, and it must be seeking approval from the prescribed authority for claiming deductions for expenditure incurred on eligible research and development activities.
The primary purpose of filing Form 3CO is to obtain approval from the prescribed authority for claiming deductions under section 35CCC of the Income-tax Act, 1961. This approval is necessary for companies to claim deductions for expenditure incurred on scientific research and development activities, subject to certain conditions and limitations.
Form 3CO requires companies to provide detailed information about their scientific research and development activities, including the nature of the activities, the expenditure incurred, the facilities and personnel involved, and the expected benefits or outcomes of the research and development projects.
Form 3CO should be filed before the end of the relevant previous year in which the company intends to claim deductions under section 35CCC of the Income-tax Act, 1961. The prescribed authority may also specify a specific timeline or deadline for filing the form.
Form 3CO should be filed with the prescribed authority designated for this purpose by the Central Government. The prescribed authority may vary depending on the specific provisions and regulations governing scientific research and development activities.
If a company engaged in scientific research and development activities fails to file Form 3CO and obtain approval from the prescribed authority, it may not be eligible to claim deductions under section 35CCC of the Income-tax Act, 1961 for the relevant assessment year.
In some cases, companies may need to revise or amend the information provided in Form 3CO after filing, such as when there are changes to the research and development activities or expenditure incurred. The prescribed authority may have specific procedures and guidelines for revising or amending Form 3CO.
The approval obtained through Form 3CO may be valid for a specific period, typically one assessment year or as specified by the prescribed authority. Companies may need to file Form 3CO annually or periodically to continue claiming deductions under section 35CCC of the Income-tax Act, 1961.
Companies may be required to submit various supporting documents along with Form 3CO, such as audited financial statements, project reports, details of research and development facilities and personnel, and any other relevant documents as specified by the prescribed authority.