Financial Deadlines December 2025: The end of the year is approaching, and December 31, 2025, has become a very important date for taxpayers. If you don’t complete essential tax and banking-related tasks on time, you may face both trouble and penalties later. Imagine, amidst New Year’s preparations, you suddenly discover that the opportunity to revise your ITR has ended, your PAN is not working, or your bank locker has been closed – you’ll be left with nothing but regret. Let’s find out which important tasks have a deadline of December 31, 2025.

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Filing a Belated ITR

If you haven’t filed your Income Tax Return for the financial year 2024-25 on time, you can file a belated ITR until December 31, 2025.

After this date, only an Updated Return (ITR-U) can be filed, which attracts higher taxes and penalties. Therefore, it’s best not to delay and file your return as soon as possible.

Revised ITR

If you have already filed your ITR but there is an error in it – such as in income, deductions, or bank details – you have until December 31, 2025, to correct it. After this date, you will not be able to file a revised return, so this date is very important.

PAN-Aadhaar Linking

The government has made it clear that linking PAN and Aadhaar is mandatory by December 31, 2025. If you don’t do this, your PAN will become inoperative from January 1, 2026. This will affect tax filing, bank accounts, investments, and large transactions. A penalty of ₹1,000 may also be levied for delayed linking.

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Bank Locker Agreement Update

According to RBI guidelines, all bank locker holders are required to update their locker agreements. The deadline for this is also December 31, 2025. If you don’t complete this task on time, you may face difficulties using your locker in the new year.

Important tasks for pensioners

Pensioners also need to complete some important formalities by December 31, such as submitting their life certificate and completing other necessary procedures related to their bank account. If these tasks are not completed on time, there may be a disruption in pension payments.