Summary Points:

Section 139(4) gives taxpayers a second chance to file returns if they miss the due date.
Belated filing may involve interest, late fees, and limited deductions.
Refunds can still be claimed under Section 139(4).
The final deadline is December 31 of the assessment year or before assessment completion.

Bonus: The current deadline for filing a belated return is December 31 of the relevant assessment year, which is the year immediately following the financial year.

Section 139(4) of the Income Tax Act allows taxpayers to file a belated return if they miss the original ITR deadline.

Rubi Singh missed the July 31 ITR deadline for FY 2023–24, but Section 139(4) gave her a second shot. She filed it on December 15, paid ₹4,00,000 in taxes, ₹4,000 interest, and a ₹5,000 late fee (since her income was over ₹5,00,000).

She still got her ₹1,00,000 refund, though she couldn’t carry forward her losses. Relaxed, she smiled and said, “Haar ke jeetne wale ko baazigar kehte hain!”, grateful the Income Tax Act had her back.

Now, let’s understand what Section 139(4) means, who can use it, and what to keep in mind.

Section 139(4) Introduction of the Income Tax Act

Section 139(4) of the Income Tax Act lets you file a belated income tax return if you miss the original deadline under Section 139(1). You can submit this late return anytime before December 31 of the assessment year or before your tax assessment is completed, whichever happens first. This way, you get a second chance to report your income and pay tax, though filing late may involve some penalties and interest.

However, it's important to note that filing a belated return comes with certain implications. You may be subject to:

Interest under Section 234A: Charged at 1% per month on the unpaid tax amount from the due date until the actual filing date.
Late filing fee under Section 234F: Up to ₹5,000, depending on your income and when you file.
Loss of certain deductions and carry-forward benefits: Such as those under Sections 10A, 10B, 80-IA, 80-IB, etc.

Example:

Let's say your total income for FY 2023-24 is ₹6,00,000, and you missed the original filing deadline of July 31, 2024. You can file your belated return by December 31, 2024. However, since your income exceeds ₹5,00,000, a late filing fee of ₹5,000 will apply. Additionally, interest under Section 234A will be calculated on any unpaid tax from the original due date until the actual filing date.

Importance of Section 139(4) of the Income Tax Act

Section 139(4) is crucial for ensuring that taxpayers remain compliant, even after missing the original deadline:

Importance of Section 139(4)	Explanation
Gives a second chance	Allows filing an income tax return after the original deadline
Avoids penalties for non-filing	Helps taxpayers avoid bigger legal issues or penalties
Enables claiming refunds	You can still get refunds if excess tax was paid
Helps maintain compliance	Keeps your tax record up-to-date and avoids complications
Limited time window	File before December 31 of the assessment year or before assessment completion, whichever is earlier

This table shows that Section 139(4) acts as a safety net, giving taxpayers a chance to stay compliant and avoid unnecessary losses.

Example:

Due date to file ITR for FY 2023-24: July 31, 2024
You missed the deadline.
Under Section 139(4), you file a belated return on December 10, 2024.
Your taxable income is ₹6,00,000, and the tax payable is ₹50,000.
Late filing fee: ₹5,000 (since income > ₹5,00,000).
Interest on late payment: ₹500 (for 5 months at 1% per month on ₹50,000).

Even with these extra charges, you avoid bigger penalties or legal trouble and keep your tax records clean!

Objectives of Section 139(4) of the Income Tax Act

Beyond importance, Section 139(4) also has clear objectives laid down by the Act:

Objectives of Section 139(4)	Explanation
Provides a second chance	Allows taxpayers to file income tax returns even after missing the original deadline
Encourages voluntary compliance	Helps more people comply with tax laws without fear of immediate penalties
Reduces legal complications	Avoids harsher consequences by permitting belated filing before assessment completion
Enables correction of mistakes	Let taxpayers correct missed filings and claim refunds if eligible
Sets a clear deadline for belated returns	Belated returns must be filed before December 31 of the assessment year or before the assessment ends.

These objectives make Section 139(4) an effective tool for balanced tax administration.

Example:

Detail	Information
Financial Year	2023-24
Original filing deadline	July 31, 2024
Actual filing date (belated)	December 15, 2024
Tax payable	₹40,000
Late filing fee	₹5,000 (since income > ₹5,00,000)
Interest on late payment	₹400 (approx. 1% per month for 4 months on ₹40,000)

Note: By filing late under Section 139(4), the taxpayer pays an additional ₹5,400 but avoids heavier penalties and keeps their tax record clear.

TDS Rate Under Section 139(4) of the Income Tax Act

Belated filing under Section 139(4) also interacts with TDS rules. Here are key rates to know:

Section	Nature of Payment	TDS Rate	When it Applies
192	Salary	As per the income tax slab rates	On salary payments
194A	Interest (other than securities)	10%	If interest exceeds ₹40,000 (₹50,000 for senior citizens)
194C	Payment to contractors	1% (Individuals/HUF), 2% (others)	If payment exceeds ₹30,000 in one transaction or ₹1,00,000 annually
194J	Professional fees	10%	On professional or technical service payments

This ensures that your taxes deducted at source remain valid even in belated returns.

Example:

Suppose you received ₹1,00,000 as interest from a bank in FY 2023-24.

The bank deducts 10% TDS under Section 194A, so ₹10,000 is deducted.
You file your belated return under Section 139(4) by December 31, 2024.
While filing, you declare this ₹1,00,000 as income and claim credit for the ₹10,000 TDS already deducted.

Exemption Under Section 139(4) of the Income Tax Act

Section 139(4) allows you to file a belated ITR if you miss the deadline, but if your total income is below the basic exemption limit, you're exempt from paying the late-filing fee under Section 234F. You still enjoy the chance to file without penalty, even though the ITR is technically late. You gain compliance and peace of mind without extra cost:

Scenario	Income Level	Belated Fee (234F)	Allowed?
File by Dec 31 under Section 139(4)	≤ basic exemption (e.g. ₹3,00,000 FY 23‑24)	₹0	Allowed, no fee
	basic exemption and ≤ ₹5,00,000	₹1,000	Allowed, reduced fee
	> ₹5,00,000	₹5,000	Allowed, full fee

Basic exemption limit for FY 2023‑24 was ₹3,00,000 under the old regime; new regime limit ₹2,50,000.

Example:

FY 2023‑24, taxable income = ₹2,80,000 (below basic exemption).
Missed the deadline: due date 31 July 2024.
Files under Section 139(4) on 20 Dec 2024.
Late-filing fee = ₹0, because income is below the exemption limit.
Benefit: You stay compliant, preserve your financial record, and avoid penalties, without paying a paisa extra!

Due Date and Compliance Requirements of the 139(4) Income Tax Act

The final piece of Section 139(4) is about timelines and compliance:

Aspect	Details
Who can file	Anyone who missed the deadline under Section 139(1) or the extended CBDT deadline
Deadline for belated return	File before December 31 of the assessment year or before the tax assessment is complete, whichever is earlier
Interest under Section 234A	Charged at 1% per month or part thereof on any unpaid tax starting from the original due date
Late‑filing fee under Section 234F	₹5,000 if income > ₹5,00,000 (₹10,000 if filed after Dec 31); ₹1,000 if income ≤ ₹5,00,000; none if income is below exemption limit.
Loss and deduction restrictions	Cannot carry forward business/capital losses or claim deductions under Sections 10A, 10B, 80-IA, etc.

Section 139(4) allows compliance but ensures penalties for delays.

Example:

Let’s say your FY 2023‑24 ITR was due July 31, 2024, but you filed belatedly on December 10, 2024:

Tax due: ₹50,000
Interest (@1% x 4 months): ₹2,000
Filing fee: ₹5,000 (since income > ₹5,00,000)
Total outgo: ₹57,000

By filing under Section 139(4), you avoid harsher penalties or prosecution, stay tax-compliant, and still maintain eligibility for refunds, though you lose some benefits and pay interest and fees.

In simple terms: Section 139(4) gives you a second chance to file, but you’ve got to act by Dec 31 (or before assessment ends), and be ready for interest, fees, and fewer tax breaks.

Conclusions

Section 139(4) gives you a second chance to file your ITR if you miss the original deadline. You can still claim refunds, but you may have to pay interest and a late fee. You won’t be able to carry forward some losses or get all tax benefits. So, file by December 31 of the assessment year to stay safe, avoid penalties, and keep your record clean.

FAQs:

Q: What is the return filed under Section 139(4C) of the Income Tax Act?

Section 139(4C) allows certain entities to file belated returns if they miss the due date, before assessment completion or one year from the assessment year-end.

Q: What happens if ITR is not filed for 5 years?

If you don’t file ITR for 5 years and owe over ₹25,000 in taxes, you may face 6 months to 7 years of imprisonment and a fine.

Q: Can a revised return be revised again?

Yes, a revised return can be filed multiple times before 31st December of the assessment year or assessment completion.

Q: Can we change from the old regime to the new regime in a revised return?

Yes, salaried individuals can switch regimes in a revised return if it’s filed within the due date under Section 139(1).

Other News Pages
Section 43B of the Income Tax Act	Section 206CL of the Income Tax Act	Section 139(4) of the Income Tax Act	Section 115AD of the Income Tax Act
Section 87A of the Income Tax Act	Section 111A of the Income Tax Act	Section 44AA of the Income Tax Act	Section 194A of the Income Tax Act
Section 197 of the Income Tax Act	Section 194I of the Income Tax Act	Section 269ST of the Income Tax Act	Section 28 of the Income Tax Act
Section 156 of the Income Tax Act	Section 143(2) of the Income Tax Act	Section 194J of the Income Tax Act	Section 194BA of the Income Tax Act