Late ITR Filing and Section 143(1) Processing: Impact on Refunds
- Rajesh Kumar Kar

- Jul 30
- 10 min read
Filing your Income Tax Return (ITR) on time is essential for several reasons, one of the most significant being the impact it has on the processing of refunds. The Income Tax Department processes ITRs and issues refunds based on the information provided. Filing late can lead to a delay in receiving your refund, and it can also attract penalties and interest on any unpaid taxes. Understanding how the timing of your ITR filing affects refund processing is crucial to avoid unnecessary stress and financial repercussions. Let us discuss how late ITR filing impacts refunds, what happens during Section 143(1) of the Income Tax Act processing, and the consequences of delayed refunds, including interest, penalties, and potential notices.
Table of Contents
How Late ITR Filing Affects Refunds
Filing your ITR after the deadline has a direct effect on the processing time of your refund. The Income Tax Department processes returns on a first-come, first-served basis, meaning the earlier you file, the sooner your refund is likely to be issued. When taxpayers file after the due date, their returns are processed later, resulting in delays. Moreover, late filing can lead to discrepancies in the refund amount if the information provided is not consistent with the data on the system. In some cases, additional scrutiny may be required, which further prolongs the refund process.
Filing late also risks penalties, which could further complicate the refund process. The department may prioritize refunds for those who have filed on time, leaving late filers to wait longer. Additionally, if there are any issues in the return, such as TDS mismatches or unaccounted deductions, these must be addressed before refunds can be issued, causing even more delays.
Understanding Section 143(1) Processing and Its Impact on Refunds
Section 143(1) of the Income Tax Act deals with the processing of ITRs by the Income Tax Department. Once the ITR is filed, the department performs an initial processing under this section, which primarily checks for mathematical accuracy, the proper inclusion of income and deductions, and consistency with the data available with the department (like TDS credits). If the return is found to be accurate, the department proceeds with issuing a refund, if applicable.
The processing under Section 143(1) can also identify discrepancies or errors in the return, such as mismatches in TDS credits or unreported income. In such cases, the department will send a notice for rectification, which can delay the refund process. The timing of the ITR filing impacts how quickly the department can complete this initial processing and issue refunds. Late filers may face delays in this processing stage, which in turn results in delayed refunds.
Interest on Delayed Refunds Under Section 244A
Section 244A of the Income Tax Act provides for interest on delayed refunds. If the Income Tax Department delays the processing of your refund after the due date, you are eligible for interest on the amount refunded. The rate of interest is determined by the department, typically around 6% per annum, and is paid from the date the refund was due until it is issued.
This provision ensures that taxpayers are compensated for the time they have to wait for their refunds. However, interest is only paid when the department delays the refund, not when the delay is due to issues with the taxpayer’s filing. If there are mistakes in the return, or if it is filed late, the interest on the refund will be calculated from the date the return is processed, not the filing date.
It’s also important to note that interest under Section 244A does not apply if the refund is issued promptly after processing the return. However, delays in processing, particularly in cases of late filing, can result in interest payments, providing some relief to taxpayers.
Penalties and Additional Interest on Late ITR Filing
Late filing of ITR not only delays the processing of refunds but also leads to penalties and additional interest. According to Section 234A of the Income Tax Act, if the ITR is filed after the deadline, interest is charged at 1% per month on the outstanding tax liability. This interest is compounded monthly and applies until the return is filed and taxes are paid.
The penalty for late filing can be up to ₹5,000, depending on how late the return is filed. If the return is filed after the due date but before December 31 of the assessment year, the penalty is reduced to ₹1,000 for taxpayers with an income of less than ₹5 lakh. However, if the return is filed after December 31, the penalty increases, and the taxpayer may also face scrutiny.
These penalties and interest charges only add to the stress and complications of late filing, especially if the taxpayer is expecting a refund. Filing early and accurately helps avoid these additional costs.
Recent Updates on Section 143(1) Processing Deadlines
The processing of returns under Section 143(1) has recently seen updates aimed at improving efficiency and reducing the backlog. The department has made changes to the timelines for processing returns and issuing refunds, with a focus on minimizing delays. In many cases, the department aims to process simple returns within a few weeks of filing, provided there are no discrepancies.
The recent updates also involve improved automation and data matching systems, which help speed up the verification process. These updates are beneficial for on-time filers who want quick refunds, but they highlight the delays late filers can expect. If you file your return after the deadline, your return will be processed later, which means any refund you are due will be delayed. Additionally, any issues or errors found in late returns will require more time to resolve, further extending the waiting period.
Scenarios Impacting Refunds: Late Filing vs Delayed Processing
There are two key scenarios that affect refunds: late filing and delayed processing.
Late Filing: If you file your ITR after the deadline, your return will be processed later in the queue, which delays the refund. Additionally, late filing can result in penalties and interest, which further complicates the refund process. Taxpayers who file on time generally receive their refunds first, while those who file late must wait for the department to process their returns after on-time submissions are handled.
Delayed Processing: Even if you file on time, issues such as discrepancies in your return, TDS credit mismatches, or the need for additional verification can delay the processing of your refund. The department may issue a notice asking for clarifications, leading to further delays. While interest on delayed refunds is available under Section 244A, it does not apply to cases where the delay is due to taxpayer errors or mismatches.
What Triggers Section 143(1) Notices?
Section 143(1) notices are typically issued when there are discrepancies or mismatches between the information filed in the ITR and the records available with the Income Tax Department. Common triggers for these notices include:
TDS Mismatches: If the TDS credits reported in your ITR do not match the data available with the department, a notice is issued to resolve the mismatch.
Unreported Income: If there is income that should have been reported but wasn’t, the department will issue a notice.
Incorrect Deduction Claims: If you claim deductions that don’t meet the criteria or are not substantiated by proper documentation, a notice may be triggered.
Inconsistent Information: Discrepancies between the information in your return and third-party sources, such as banks or employers, can also lead to a notice under Section 143(1).
Responding to these notices promptly is essential to avoid further delays in processing your refund.
How TaxBuddy Can Help With ITR Filing and Refund Tracking
TaxBuddy is a platform designed to simplify the tax filing process. It assists users in filing accurate returns on time, ensuring that all necessary documents are uploaded and that TDS credits are correctly reflected. TaxBuddy also helps taxpayers keep track of their refund status, providing real-time updates and notifications on the status of the return and refund.
In addition to ensuring accurate filings, TaxBuddy’s AI-driven system can assist with error detection, reducing the likelihood of discrepancies that would trigger Section 143(1) notices. This helps avoid delays and ensures that refunds are processed more quickly. For those with complex filings, TaxBuddy offers expert assistance, guiding users through the process to ensure compliance and timely refunds.
Conclusion
Timely filing of ITR is crucial not only for avoiding penalties but also for ensuring the smooth processing of refunds. Late filings or errors in returns can cause delays in refund processing, trigger notices, and result in additional penalties. However, using platforms like TaxBuddy can streamline the entire process, ensuring accurate filings, faster refunds, and proactive tracking of your refund status. For anyone looking for a simplified, secure, and hassle-free tax filing experience, TaxBuddy is the go-to solution. For a more seamless filing experience, it is highly recommended to download theTaxBuddy mobile app.
Frequently Asked Question (FAQs)
Q1: Does TaxBuddy offer both self-filing and expert-assisted plans for ITR filing, or only expert-assisted options?
Yes, TaxBuddy offers both self-filing and expert-assisted plans for Income Tax Return (ITR) filing, catering to different taxpayer needs. The self-filing option is ideal for individuals who are confident in their understanding of the tax process and prefer a do-it-yourself approach, while the expert-assisted plan is suited for those who want professional guidance throughout the filing process. Whether you need to handle a simple return or a more complex filing, TaxBuddy provides the flexibility to choose the most suitable option.
Q2: Which is the best site to file ITR?
The best site for filing your ITR depends on your preferences and needs. TaxBuddy stands out as one of the best platforms because it offers an intuitive, user-friendly interface combined with both self-filing and expert-assisted options. With its AI-driven tools, TaxBuddy ensures that you file your ITR accurately and on time. For those who prefer a more hands-on approach or require professional assistance, TaxBuddy offers a seamless experience with dedicated support for any queries or challenges.
Q3: Where to file an income tax return?
You can file your ITR directly on the official Income Tax Department portal, but for a smoother and more comprehensive filing experience, you can use TaxBuddy. The platform is designed to simplify the filing process with easy-to-use tools, and it also offers expert assistance if needed. TaxBuddy ensures that your tax return is filed accurately, helping you navigate complex tax calculations, deductions, and exemptions.
Q4: Can I file my ITR after the deadline without penalties?
No, you cannot file your ITR after the deadline without penalties. If you miss the deadline, you can still file a belated return, but penalties and interest will apply. The penalty for belated filing can be up to ₹5,000, depending on the timing of your filing. Additionally, interest will be levied on any unpaid taxes, which could further increase the amount you owe. Filing your return on time is always the best option to avoid these additional charges.
Q5: What happens if I fail to file ITR within the extended deadline?
If you miss the extended deadline for filing your ITR, you will face penalties and a delay in processing any refunds. However, you can still file a belated return by December 31, 2025, for FY 2024-25, but this will incur penalties and interest on any unpaid taxes. Filing late will also delay the processing of your refund, as the tax department processes timely returns first.
Q6: How do I check the status of my income tax refund?
To check the status of your income tax refund, you can visit the official Income Tax Department portal and log in using your PAN and assessment year details. Alternatively, if you’ve filed through TaxBuddy, you can track your refund status within the platform. TaxBuddy provides proactive updates, so you can stay informed about the progress of your refund and take the necessary steps if any issues arise.
Q7: Does TaxBuddy assist with TDS credit verification?
Yes, TaxBuddy assists with the verification of TDS (Tax Deducted at Source) credits. The platform ensures that the TDS credits are correctly reflected in your ITR, minimizing the risk of errors or mismatches. This is crucial for avoiding delays in refund processing, as discrepancies in TDS credits can trigger scrutiny or require additional verification from the tax department. TaxBuddy helps ensure your tax return is accurate, which helps expedite the refund process.
Q8: How long does it take for TaxBuddy to process an ITR filing?
TaxBuddy processes ITR filings promptly. For simpler returns, the filing can typically be completed within a few hours. If you choose the expert-assisted option, it may take longer depending on the complexity of your return. TaxBuddy strives to ensure that your tax return is filed accurately and efficiently, providing quick updates and guidance throughout the process. Additionally, you will receive confirmation once your filing has been completed successfully.
Q9: What if I file ITR after the extended deadline?
If you file your ITR after the extended deadline of September 15, 2025, you can still file a belated return, but penalties and interest will be applicable. The penalty can be up to ₹5,000, and you will also incur interest on any unpaid taxes, which can increase the amount owed. Filing after the extended deadline means that your refund processing will be delayed compared to those who file on time, as the tax department processes returns in the order they are received.
Q10: Are there penalties for errors in my ITR filing?
Yes, errors in your ITR filing can lead to penalties, interest on any unpaid taxes, and delays in processing your refund. Common errors include incorrect income reporting, missing deductions, or miscalculations of TDS credits. To avoid these issues, TaxBuddy provides tools that help verify your information before submission, minimizing the risk of errors. The platform’s expert-assisted plans also ensure that your filing is accurate, reducing the likelihood of penalties or delays.
Q11: Can I make corrections in my ITR after filing?
Yes, you can file a revised return if you discover errors after filing your original ITR. The revised return can be filed anytime before the end of the assessment year. This allows you to correct mistakes such as incorrect income reporting, missed deductions, or TDS mismatches. It’s essential to ensure that the revised return is filed promptly to avoid penalties or interest on any additional tax due.
Q12: Does TaxBuddy support all tax regimes for ITR filing?
Yes, TaxBuddy supports both the old and new tax regimes, allowing you to choose the one that offers the best tax benefits based on your financial situation. The old tax regime provides deductions and exemptions, while the new tax regime offers lower tax rates with no deductions or exemptions. TaxBuddy’s platform helps you evaluate the most beneficial regime for your circumstances, ensuring that you maximize your savings while staying compliant with tax laws.















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