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What ITR Filing Triggers a Section 139(9) Notice?

  • Writer:   PRITI SIRDESHMUKH
    PRITI SIRDESHMUKH
  • Sep 29
  • 8 min read

Filing an Income Tax Return (ITR) accurately is crucial for compliance and to prevent unnecessary notices from the Income Tax Department. Section 139(9) of the Income Tax Act, 1961, is triggered when the filed return is considered defective due to errors, missing information, or mismatches in tax details. Receiving such a notice requires timely correction to avoid penalties, interest, or loss of refunds. Understanding the common triggers, how to respond, and preventive measures is essential for smooth tax filing. TaxBuddy offers tools and guidance to ensure accurate filings and reduce the likelihood of defective returns.

Table of Contents

What is Section 139(9) Notice?

A Section 139(9) notice is an official communication issued by the Income Tax Department when there are discrepancies or errors detected in an Income Tax Return (ITR) that has been submitted by a taxpayer. This notice highlights specific defects in the return, which could range from incorrect personal details, such as name or PAN mismatch, to errors in tax calculations, missing TDS information, or inconsistencies in income and deduction reporting. The purpose of issuing a Section 139(9) notice is to give taxpayers an opportunity to correct these mistakes and ensure that their ITR is complete and accurate.


The notice will clearly mention the nature of the defect and provides a strict timeline, generally 15 days from the date of receipt, within which the taxpayer must respond. Failure to rectify the errors within this prescribed period may result in the return being treated as invalid. An invalid return can have several consequences, including delays in processing any refunds, denial of tax credit claims, and a negative impact on the taxpayer’s compliance record. Responding promptly to a Section 139(9) notice is essential to maintain proper tax compliance and avoid additional scrutiny or penalties from the tax authorities.


Common Triggers for Section 139(9) Notice

Common triggers for receiving a Section 139(9) notice from the Income Tax Department arise when the filed Income Tax Return (ITR) is considered defective due to various errors or omissions. One of the primary causes is the submission of an incorrect ITR form. Taxpayers often choose the wrong form based on their income type or category. For instance, a salaried individual who also has business income may mistakenly file ITR-1 instead of ITR-3. This mismatch in the form and the nature of income is immediately flagged by the department, resulting in a Section 139(9) notice.


Another frequent reason is incomplete or missing information within the ITR. Essential details such as the Permanent Account Number (PAN) of the employer, accurate bank account details, or income from additional sources like interest or capital gains, if left unreported, can lead to the issuance of a notice. The system identifies these gaps and marks the return as defective.


Mismatch in tax payments and TDS is also a common trigger. Differences between the taxes paid, TDS reflected in Form 26AS, and the tax declared in the ITR—even if minor—can result in the return being flagged. This highlights the importance of verifying all tax credits and payments before submission.


Undisclosed or incorrectly reported income is another significant factor. Income from salary, capital gains, interest, or rental properties must be accurately reported under the correct heads. Reporting income in the wrong section or failing to disclose sources entirely can lead to a Section 139(9) notice.


Non-verification of the ITR is also a frequent cause. Filing the return without completing e-verification or sending a signed physical ITR-V form can render the return defective. Verification confirms the authenticity of the information submitted, and without it, the return is considered incomplete.


Finally, claiming ineligible deductions or failing to provide necessary supporting documents can trigger a notice. Deductions claimed without meeting eligibility criteria or without proper proof, such as investment proofs or medical receipts, are scrutinized by the department. In such cases, the return may be treated as defective under Section 139(9).


Altogether, these common triggers emphasize the importance of careful, accurate, and complete filing of the ITR along with timely verification to avoid receiving a Section 139(9) notice.


Process to Respond to a Section 139(9) Notice

Understanding how to respond to a Section 139(9) notice is crucial for ensuring that your Income Tax Return (ITR) is treated as valid and processed without issues. When the Income Tax Department identifies a defect or discrepancy in your filed ITR, they issue this notice detailing the specific issue. The process to respond involves multiple careful steps.


The first step is to carefully review the notice. This involves reading the notice thoroughly to understand the nature of the defect highlighted, such as an incorrect ITR form selection, mismatch in income details, missing TDS credits, or other reporting errors. It is important to note the exact instructions and deadlines mentioned in the notice to ensure timely action.


Next, log in to the Income Tax e-filing portal using your PAN and credentials. Once logged in, access the pending ITR and review all the details in comparison with the notice. Correct the defects as instructed, which may include updating the ITR form, revising income figures, rectifying tax credit mismatches, or adding any omitted information.


After making the necessary corrections, submit the updated ITR through the portal. Submission alone is not enough; the corrected return must be verified to be considered valid. E-verification can be completed via Aadhaar OTP, net banking, or by sending a signed ITR-V to the Central Processing Centre (CPC) in Bengaluru.


Prompt action within the specified timeframe is essential. Delaying the response can result in the ITR being treated as defective or invalid, potentially leading to notices, penalties, or further scrutiny by the tax authorities. Following these steps carefully ensures compliance and smooth processing of your ITR.


Consequences of Ignoring the Notice

Failing to respond to a notice issued under Section 139(9) of the Income Tax Act can lead to significant consequences for the taxpayer. Firstly, the return submitted may be considered invalid or defective. When a return is treated as invalid, it is as if it was never filed, which can create further complications for both the taxpayer and the Income Tax Department.


Secondly, any refunds that the taxpayer is eligible for could be delayed or denied entirely. Since the return is considered defective, the processing of refunds is put on hold until the issue is resolved and a valid return is filed. This can affect the financial planning of individuals or businesses relying on timely refunds.


In addition to delays in refunds, penalties may be imposed under various provisions such as Sections 234A, 234B, and 234C of the Income Tax Act. These sections deal with interest and penalties for late filing, underpayment of taxes, or non-payment of advance tax. Ignoring the notice increases the likelihood of these financial liabilities.


Lastly, non-compliance can trigger additional scrutiny or notices in the future. The tax authorities may consider repeated non-responsiveness as a red flag, which can lead to more detailed assessments, inquiries, or audits. This can result in increased administrative burden and legal complications for the taxpayer.


Overall, responding promptly to a Section 139(9) notice is crucial to avoid financial penalties, refund delays, and potential future complications.


How TaxBuddy Helps in Avoiding Section 139(9) Notices

Filing an Income Tax Return accurately is crucial to avoid notices from the Income Tax Department, particularly the dreaded Section 139(9) notice, which is issued when a return is considered defective due to errors, missing information, or incorrect form selection. TaxBuddy provides a comprehensive solution to help taxpayers avoid such notices, ensuring a smooth and error-free filing experience.


First, TaxBuddy helps with smart form selection. Based on your income type—whether it is salary, business income, capital gains, or rental income—and your taxpayer category, TaxBuddy recommends the correct ITR form. Choosing the correct form is critical because submitting an incorrect form is one of the primary reasons for receiving a Section 139(9) notice.


Next, TaxBuddy performs automated TDS matching. It cross-checks the income reported in your return against your Form 26AS to ensure that all TDS credits are accurately reflected. This prevents discrepancies that often lead to defective returns and delays in refunds.


TaxBuddy also provides real-time error alerts. The system identifies missing fields, incomplete data entries, and ineligible deductions before submission. This proactive feature ensures that any potential errors are addressed immediately, reducing the risk of rejection or notices from the department.


Furthermore, TaxBuddy guides users through e-verification. Proper e-verification is essential for validating your ITR with the Income Tax Department. By providing step-by-step instructions for secure verification, TaxBuddy ensures that your filing process is compliant and reduces the chances of non-compliance notices.


For complex returns, TaxBuddy offers expert support. Tax professionals are available to assist with any challenging aspects of your filing, including business income, capital gains, or multiple income sources. This combination of automation and expert guidance ensures that your return is accurate, complete, and compliant, minimizing the risk of receiving a Section 139(9) notice.


Conclusion

Section 139(9) notices act as an important compliance check to ensure accurate and complete ITR filing. Taxpayers can avoid penalties, delays, and invalid returns by understanding common triggers, correcting defects promptly, and using reliable filing platforms like TaxBuddy. For anyone looking for assistance in tax filing, it is highly recommended to download the TaxBuddy mobile app for a simplified, secure, and hassle-free experience.


FAQs

Q1. What is a Section 139(9) notice?

A Section 139(9) notice is issued by the Income Tax Department when your filed Income Tax Return (ITR) contains an inaccuracy or omission that prevents it from being treated as valid. Common issues include missing mandatory information, incorrect PAN/Aadhaar details, or mismatched TDS entries. Essentially, the notice is a formal request to correct and resubmit your ITR within a specified time frame.


Q2. How can I respond to a Section 139(9) notice?

You must log in to the Income Tax e-filing portal, download the notice, and verify the errors mentioned. Once identified, you can file a corrected or updated ITR online using the correct details. Ensure all mandatory fields are accurately filled, and resubmit before the deadline mentioned in the notice.


Q3. What happens if I ignore a Section 139(9) notice?

Ignoring a 139(9) notice leads to your ITR being treated as invalid, which can result in loss of refunds, non-adjustment of TDS, and potential interest liabilities. Your ITR will not be considered filed for that financial year until corrections are made.


Q4. Can I avoid a 139(9) notice while filing online?

Yes. Ensure that:


  • PAN, Aadhaar, and bank details are accurate and consistent.

  • TDS and advance tax credits are correctly reflected.

  • All mandatory fields are completed. Using reliable platforms like TaxBuddy with automated error checks reduces the risk of receiving such notices.


Q5. Which errors commonly trigger a Section 139(9) notice?

Some common triggers include:


  • Missing PAN or Aadhaar information

  • Incorrect bank account details

  • Discrepancies in TDS or tax payments

  • Errors in salary, pension, or other income details

  • Missing mandatory schedules or annexures

Q6. Can TaxBuddy help prevent Section 139(9) notices?

Absolutely. TaxBuddy’s AI-driven platform automatically cross-verifies PAN, Aadhaar, bank accounts, and TDS entries while filing. It also alerts you to missing or inconsistent information, minimizing the risk of errors that typically lead to Section 139(9) notices.


Q7. Is e-verification mandatory after correcting a 139(9) notice?

Yes. Once you file the corrected ITR, e-verification is required to complete the submission. You can e-verify via Aadhaar OTP, Net Banking, or using a pre-validated bank account to make your ITR valid.


Q8. How long do I have to respond to a Section 139(9) notice?

The notice usually specifies a 15-day to 30-day period from the date of receipt. Responding within this window is crucial to avoid your ITR being treated as invalid.


Q9. Can I file a revised ITR if I received a Section 139(9) notice?

Technically, you cannot file a “revised ITR” under Section 139(5) while responding to 139(9). You need to file a corrected or updated return addressing the errors highlighted in the notice. The corrected filing ensures your ITR is treated as valid.


Q10. Will a late response to a 139(9) notice attract penalties?

Yes. If the notice is ignored or the response is delayed beyond the stipulated timeline, the ITR is considered invalid, and you may face interest charges, loss of refunds, or even notices for non-compliance. Timely action prevents additional liabilities.


Q11. Are TDS mismatches the only reason for a 139(9) notice?

No. While TDS mismatches are a common reason, other triggers include missing or incorrect PAN/Aadhaar, invalid bank accounts, errors in salary or income reporting, and incomplete schedules. Any omission or discrepancy affecting the accuracy of your ITR can trigger the notice.


Q12. Can businesses also receive Section 139(9) notices?

Yes. Businesses, firms, LLPs, and companies can receive 139(9) notices if their ITR contains inaccuracies, omissions, or errors in reporting income, tax payments, or TDS details. Prompt correction is necessary to avoid the return being treated as invalid and to ensure smooth compliance.


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