A Section 147 reassessment notice reopens a completed tax assessment when income has allegedly escaped taxation. Post-Finance Act 2021, a mandatory Section 148A inquiry must precede any reassessment notice, with a 3-year normal time limit or 10-year limit when escaped income exceeds Rs 50 lakh.
Section 147 Reassessment Notice: Time Limit and How to Reply
A Section 147 reassessment notice means the income tax department is re-opening a year that was already assessed (or where a return was filed and processed) because the AO has reason to believe that income has escaped assessment. The Finance Act 2021 introduced sweeping changes to the reassessment framework, adding a mandatory Section 148A pre-inquiry step before any reassessment notice can be issued, and restructuring the time limits to a base 3-year limit and an extended 10-year limit for large escaped income cases. If you receive a Section 148 notice (the formal reassessment notice) or a Section 148A show cause notice (the mandatory pre-notice inquiry), understanding how to respond, what the legal safeguards are, and when a reassessment can be challenged as illegal is crucial.
Section 147 Reassessment: Key Facts (Post-Finance Act 2021)
- What it does: Reopens a completed assessment (or processed return) to assess income that allegedly escaped taxation
- Mandatory pre-step: Section 148A inquiry notice must be issued and an order passed before any Section 148 reassessment notice
- Normal time limit: 3 years from end of relevant assessment year
- Extended time limit: 10 years from end of relevant assessment year, only for escaped income exceeding Rs 50 lakh
- Information required: AO must have specific “information” in possession (as defined in Explanation 2 to Section 148); suspicion or change of opinion is insufficient
- Senior approval: PCIT/CIT approval required before issuing Section 148 notice beyond 3 years or for certain categories of cases
- Change of opinion: Section 147 cannot be invoked merely because the AO forms a different view on facts already examined in original scrutiny
What Is the Section 148A Mandatory Inquiry and Why Does It Matter?
The Section 148A procedure is one of the most important taxpayer protections introduced in the Finance Act 2021. It makes it impossible for an AO to issue a surprise reassessment notice without first engaging with the assessee. The mandatory steps are:
| Step | What Happens | Assessee Action |
|---|---|---|
| 148A(a): Inquiry | AO conducts internal inquiry about the escaped income; may seek information under Section 133(6) from third parties | May receive Section 133(6) notice from bank or other third party; no formal action yet required from assessee |
| 148A(b): Show cause notice | AO issues a show cause notice specifying the information suggesting escaped income and asking assessee to explain | Must reply within 7-30 days; this is your best opportunity to prevent reassessment from being opened |
| 148A(c): AO considers reply | AO reviews assessee’s reply and material in possession | Reply filed with documents; no further action at this stage |
| 148A(d): Order on fitness of case | AO passes a written order deciding whether a case for reassessment is made out. Only if this order holds it is a fit case can a Section 148 notice be issued. | Can challenge Section 148A(d) order by writ before High Court if the AO improperly held it to be a fit case despite adequate explanation |
Why Replying to the Section 148A(b) Show Cause Notice Is Critical
The Section 148A(b) show cause notice is your most powerful opportunity to stop a reassessment before it starts. If you provide a complete, documented explanation of the transaction the AO is questioning, the AO may conclude there is no escaped income and close the matter without issuing a Section 148 notice. This is far less disruptive than going through a full reassessment proceeding and then an appeal. Treat the Section 148A(b) notice with the same seriousness as a scrutiny notice. Provide specific, document-backed replies. Do not be vague or dismissive. Cite judicial precedents if applicable.
What Are the Time Limits for Section 147 Reassessment?
| Scenario | Time Limit | Additional Condition |
|---|---|---|
| Normal reassessment | 3 years from end of relevant AY | No minimum escaped income threshold; PCIT/CIT approval required |
| Large escaped income cases | 10 years from end of relevant AY | Escaped income must exceed Rs 50 lakh; AO must have “information” as defined in Explanation 2 to Section 148 |
| Cases involving search / requisition | 10 years from end of search AY | Special provisions apply under Section 153A/153C for search cases |
What is “information” for the 10-year window? Explanation 2 to Section 148 defines “information” as: (a) information from a survey, search, or requisition; (b) information received under tax treaties or DTAA from foreign jurisdictions; (c) information from any government department, authority, or agency; (d) financial intelligence received under specific provisions. Mere processing of AIS data or Form 26AS entries does not automatically constitute “information” for the 10-year window — courts are continuing to determine this boundary.
How to Reply to a Section 147 / 148 Reassessment Notice?
Step-by-Step: Responding to a Section 148 Reassessment Notice
- Check validity: Verify that the Section 148A mandatory inquiry procedure was followed (was there a Section 148A(b) notice and a Section 148A(d) order before this Section 148 notice?). If not, the Section 148 notice can be challenged on procedural grounds.
- Check time limits: Confirm the assessment year involved and whether the notice was issued within 3 years (normal) or is relying on the 10-year window (requires escaped income above Rs 50 lakh + “information”). If issued out of time, challenge in writ before the High Court.
- File a return (if required): The Section 148 notice may direct you to file a return for the relevant AY. File a return disclosing all income, including the income the AO suspects has escaped assessment. Do not omit the disputed item — include it with your explanation for why it is not taxable or is correctly taxed.
- Respond to questionnaire: The AO will issue a questionnaire after receiving your return. Respond with complete, document-backed replies. This is essentially a scrutiny assessment of the specific issue(s) that triggered the reopening.
- Object to scope creep: In a reassessment, the AO can only assess income related to the escaped assessment that triggered the reopening, plus any additional income that comes to light in the course of those proceedings. If the AO attempts to examine matters outside the scope of the reopening, object in writing.
What Are the Most Common Questions About Section 147 Reassessment?
What is the time limit for a Section 147 reassessment notice?
Under the Finance Act 2021 amendments: 3 years from the end of the relevant assessment year for normal cases, and 10 years for cases where the escaped income exceeds Rs 50 lakh and the AO has specific “information” as defined in Explanation 2 to Section 148. A Section 148 notice issued after the applicable time limit has expired is void and can be challenged before the High Court.
What is the Section 148A inquiry that must precede a reassessment notice?
Section 148A (introduced by Finance Act 2021) requires the AO to issue a show cause notice to the assessee before issuing any Section 148 reassessment notice, specifying the information suggesting escaped income and asking the assessee to explain. The AO must consider the assessee’s reply and then pass a written order deciding whether reassessment is warranted. Only if the order holds it is a fit case can the Section 148 notice be issued. This is your primary defence against frivolous or fishing reassessments.
Can the AO reopen an assessment based on a change of opinion?
No. The Supreme Court and multiple High Courts have consistently held that Section 147 cannot be invoked based on a mere change of opinion on facts already examined in the original scrutiny assessment. There must be new information, new material, or new facts that were not before the AO at the time of the original assessment. If the AO is merely reconsidering the same set of facts, the reassessment is legally challengeable.
What is “escaped assessment” under Section 147?
Income is said to have escaped assessment when: no return was filed and income is taxable; a return was filed but income was understated; an assessment was completed but income was not fully assessed; losses or deductions were incorrectly allowed. The AO must have specific, concrete “reason to believe” based on tangible information that income has escaped assessment — not a mere suspicion.
What happens after a Section 148 notice is issued?
File a return of income for the relevant AY within the time specified. The AO then issues a questionnaire. Respond with complete, documented explanations. The AO passes a reassessment order under Section 143(3) read with Section 147. This order can be appealed to CIT(A) within 30 days. In the reassessment, the AO can only address income related to the specific escaped assessment that triggered the reopening, plus any additional items that legitimately surface during those proceedings.
For guidance on challenging a Section 147 reassessment notice or responding to a Section 148A show cause notice, contact the Tradeviser team. See also our guides on Section 148 reassessment notice, Section 148A preliminary inquiry, and the income tax notices hub.
CA Madhusmita Padal is a Practicing Chartered Accountant with firms based in Odisha and Chennai. She specializes in taxation, company law, and auditing. She is passionate about simplifying complex concepts and making knowledge accessible to all.