Insimple terms-A notice under Section 148 of the Income Tax Act is sent to reopena previously filed income tax assessment. The department asks you to file orrevise your return for that specific assessment year because they suspectunreported income. Usually, it comes after a prior notice under Section 148A(1)of the Income Tax Act, which gives you a chance to explain.
CommonReasons for Receiving This Notice
TheIncome Tax Department may issue the notice due to:
Mismatchin financial information
- High bank deposits
- Property purchase
- Large investments
Informationfrom other databases
- Data from Annual Information Statement (AIS)
- Data from Tax Deducted at Source (TDS)
Unreportedincome
- Capital gains not declared
- Interest income not declared
- Business receipts mismatch
Informationfrom investigation
- Data from banks, property registries, or other agencies.
TimeLimit for Issuing Notice under section 148A
Underthe updated law:
- Up to 3 years from end of relevant assessment year in normal cases
- Up to 5 years if, escaped income exceeds ₹50 lakh and relates to assets or investments.
WhoCan Respond to the Notice?
Thenotice can be responded to by:
1. The taxpayer themselves
2. Chartered Accountant (CA)
3. Authorized representative through theincome tax portal
4. Tax lawyer
Note:Authorization can be done through the Income Tax e-Filing Portal.
Howto Respond to a Section 148 Notice
Stepson the portal:
1. Log in to Income Tax e-Filing Portal
2. Go to e-Proceedings / Pending Actions
3. Select the notice under Section 148
4. Download the notice and check the reasonfor reopening
5. Prepare a response with:
o Explanation
o Supportingdocuments
Ifrequired, you must file a fresh return for that assessment year.
ImportantDocuments Usually Required
- Bank statements
- ITR of that year
- Investment proofs
- Sale/purchase documents
- Books of accounts (for businesses)
- TDS certificates (Form 16 / 26AS)
WhatHappens If You Ignore the Notice?
Ignoringthe notice may lead to:
Best judgment assessment
Penalties
Additional tax demand
Possible prosecution in serious cases
Note:It is important to respond within the deadline mentioned in the notice.

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