The month of December is often associated with year-end planning, festive spending, and financial reviews. However, for taxpayers—both individuals and businesses—it also brings a set of crucial income tax compliance deadlines. Missing these due dates can attract penalties, interest, and unnecessary complications.

As the financial year heads toward its final quarter, the Income Tax Department requires taxpayers to fulfill a few essential obligations, ranging from filing belated or revised income tax returns to depositing TDS and submitting statements.
Here are the four critical income tax deadlines in December that every taxpayer should keep track of.
1. Last Date to File Belated or Revised ITR for FY 2023–24 (AY 2024–25)
Deadline: December 31, 2024
Taxpayers who missed filing their original Income Tax Return (ITR) by the July 31 deadline still have one last chance to file a belated ITR. Similarly, those who filed their returns earlier but later discover errors—incorrect income details, missed deductions, mismatched bank information, or wrong tax disclosures—can correct them through a revised ITR.
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Why This Deadline Matters
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Belated ITRs incur a late filing fee under Section 234F—up to ₹5,000 depending on income.
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Filing after December 31 is not permitted, leaving no further opportunity for rectification.
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Taxpayers with unpaid taxes will face interest under Section 234B and 234C, increasing the burden.
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You cannot claim certain losses (like business or capital losses) if the return is filed late.
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Revised ITRs help correct mistakes in time to avoid scrutiny or tax notices later.
Who Should Take Action?
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Individuals who missed July 31 due date.
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Salaried taxpayers who found mistakes in their initial ITR.
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Businesses or professionals needing to update financial figures.
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Anyone who received a notice for mismatch in income or TDS data.
Filing early in December avoids last-minute portal load issues and delays.
2. Due Date for TDS Payment for November
Deadline: December 7, 2024
Tax Deducted at Source (TDS) payments for transactions made in the month of November must be deposited by December 7. This applies to individuals, businesses, and deductors who are responsible for deducting tax before paying salaries, professional fees, contract payments, rent, commission, interest, and other taxable transactions.
Why Timely TDS Disposal Is Crucial
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Late payment of TDS attracts interest under Section 201(1A) at the rate of 1.5% per month.
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Persistent non-payment can lead to penalties and prosecution risks.
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Delays create mismatches in Form 26AS, AIS, and taxpayers’ ITRs, causing future complications.
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Proper TDS compliance builds trust with employees, vendors, and clients.
Even small businesses and individuals paying rent or professional fees must ensure timely TDS compliance if they fall under tax deduction rules.
3. Filing TDS/TCS Return for Q3 (October–December)
Deadline: December 15, 2024
Quarterly TDS and TCS (Tax Collected at Source) statements for the third quarter must be submitted by December 15. These statements include details of all deductions or collections made during the quarter, categorised under various sections.
Why This Deadline Can’t Be Missed
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A delayed TDS return attracts a penalty of ₹200 per day under Section 234E until filed.
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The payer may face additional penalties under Section 271H.
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Employees and vendors rely on accurate TDS reporting for their tax filings.
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Correct filing ensures smooth updating of Form 26AS and Annual Information Statement (AIS).
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It prevents compliance issues during assessments or audits.
Deductors must ensure accuracy—PAN details, deduction dates, challan numbers, and section codes must be error-free.
4. Advance Tax Payment – Third Instalment
Deadline: December 15, 2024
December also marks the due date for the third instalment of advance tax for FY 2023–24. Taxpayers who have tax liability exceeding ₹10,000 in a financial year must pay advance tax in four instalments, and the December instalment represents 75% of the total liability.
Who Needs to Pay Advance Tax?
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Salaried individuals with tax-earning sources outside salary (rent, interest, capital gains).
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Freelancers and consultants.
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Businesses and professionals.
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Individuals earning high interest or dividend income.
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Investors with taxable capital gains.
Why Timely Payment Matters
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Missing the instalment leads to interest under Sections 234B and 234C.
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It prevents last-minute tax burden in March.
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Helps maintain a clear tax record.
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Reduces the risk of cash-flow stress at the end of the financial year.
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Ensures taxes are spread evenly across the year.
For those with fluctuating incomes—such as traders, freelancers, and landlords—estimating advance tax in December helps avoid penalties and ensures smoother financial planning.
Why December Is a Critical Tax Month
December is not the final month of the financial year, yet it plays a major role in tax planning. This period is essential for:
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Revising yearly tax projections
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Checking TDS accuracy
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Reviewing investments and deductions
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Adjusting salary structure through employers
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Planning for ELSS, PPF, NPS, and insurance tax benefits
Most importantly, the belated and revised ITR deadline of December 31 acts as the last checkpoint to correct mistakes made earlier in the year.
What Taxpayers Should Do Now
To stay compliant and avoid penalties, taxpayers should:
1. Check Form 26AS, AIS, and TIS
Ensure income and TDS details match your records.
2. Re-evaluate financial statements
Make sure all income sources—interest, rent, capital gains—are correctly reported.
3. Clear outstanding tax dues
To avoid heavy interest, settle dues before filing belated or revised ITR.
4. Verify tax-saving investments
Use this time to confirm if you are meeting Section 80C, 80D, or NPS targets.
5. Consult a tax professional if needed
Especially if you are unsure about revisions or advance tax calculations.
Conclusion
December is a pivotal month for financial and tax planning, with some of the most important deadlines of the year falling within these weeks. Filing belated or revised ITR, depositing TDS, submitting quarterly statements, and paying the third instalment of advance tax are responsibilities no taxpayer can afford to ignore.
Staying ahead of these deadlines not only prevents penalties but also ensures peace of mind as you step into the new year. With timely planning, accurate reporting, and disciplined compliance, taxpayers can end the year on a financially stable and organized note.