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Section 148 Income Tax — Notice for Reopening & Reassessment

Updated: 3 June 2026  |  Income-tax Act 2025  |  Finance Act 2021 Revised Time Limits

Section 148 is a notice issued by the Assessing Officer to reopen a completed income tax assessment when income has escaped taxation. After Finance Act 2021 (now Income-tax Act 2025): 3-year limit for standard cases; up to 10 years only if escaped income ≥ ₹50 lakh. A mandatory Section 148A pre-notice inquiry with 7-day reply window must precede every Section 148 notice.
3 / 10 Yrs
New dual time limit for reassessment notice under Section 148.
3 years for standard escaped income. Up to 10 years only if escaped income is ₹50 lakh or more with search/survey evidence. Old 6-year limit abolished.

Old vs New Reassessment Time Limits — Section 148

ScenarioOld Limit (Pre-2021)New Limit (Income-tax Act 2025)Condition
Any escaped income (standard case)4 years from end of AY3 years from end of AYAO must have material/information
Escaped income > ₹1 lakh (old rule)6 years from end of AYAbolishedNo longer a separate category
Escaped income ≥ ₹50 lakh10 years (with CIT/PCIT approval)3–10 yearsRequires search/survey evidence OR specific foreign info
Assets located outside India16 years10 yearsUndisclosed foreign income/assets
Section 148A pre-notice inquiryNot required (old law)Mandatory always7-day min reply window; order under 148A(d) needed before notice
Prior approval requiredCIT approval for 6-yr casesSpecified authority approval for all casesPCIT / CCIT approval mandatory

Section 148A — Mandatory Pre-Notice Procedure

Before issuing any Section 148 notice, the Assessing Officer must follow the four-step Section 148A procedure introduced by Finance Act 2021:

StepActionTimeline
Step 1AO conducts inquiry (optional — with specified authority's approval)Before SCN
Step 2AO issues show-cause notice (SCN) to taxpayer with specific information/material—
Step 3Taxpayer submits reply to SCNMin 7 days; extendable to 30 days
Step 4AO passes reasoned order under Section 148A(d) — fit case or notBefore Section 148 notice
Step 5If order says fit case → formal Section 148 notice issuedAfter 148A(d) order

Frequently Asked Questions

What triggers a notice under Section 148?
A Section 148 notice is issued when the Assessing Officer has reason to believe that income chargeable to tax has escaped assessment. Common triggers: mismatch between Form 26AS/AIS data and ITR; large cash deposits not explained; high-value transactions reported by third parties (SFT); information received from SFIO, ED, or foreign tax authorities; non-filing of return despite income above basic exemption. Under the Income-tax Act 2025, the AO must have "information" (not mere suspicion) before issuing notice — vague reason to believe is no longer sufficient.
What are the new time limits for Section 148 notice after Finance Act 2021?
Revised limits under Finance Act 2021 (now in Income-tax Act 2025): Within 3 years from end of AY: Notice can be issued if any income has escaped assessment AND the AO has sufficient material. This is the standard window. 3–10 years: Notice can only be issued if escaped income is ₹50 lakh or more AND there is a search, survey, or specific information (e.g., from another tax authority). Beyond 10 years: No reassessment notice can be issued. The old 6-year limit has been abolished. Limitation is strictly enforced — a notice beyond the applicable period is void.
What is the Section 148A procedure — mandatory pre-notice inquiry?
Section 148A (inserted by Finance Act 2021) introduced a mandatory pre-notice inquiry: Step 1 — AO conducts inquiry with prior approval of specified authority. Step 2 — AO issues a show-cause notice (SCN) to the taxpayer with details of information/material. Step 3 — Taxpayer gets at least 7 days (extendable to 30 days) to reply. Step 4 — AO passes an order under Section 148A(d) deciding whether it is a fit case to issue Section 148 notice. Only after this order can the formal Section 148 notice be issued. This step cannot be skipped — a Section 148 notice without prior 148A procedure is invalid.
How should I respond to a Section 148 notice?
Response strategy: Step 1 — Check the notice carefully: verify AY mentioned, assessment details, and whether 148A procedure was followed. Step 2 — Cross-check Form 26AS, AIS, and your filed ITR for the relevant year. Step 3 — File a reply within 30 days (or time stated in notice) clearly explaining each point. Step 4 — If the income was already disclosed, provide documentary evidence. Step 5 — Consult a CA or tax advocate — reassessment proceedings can result in heavy additions if not properly defended. Do NOT ignore the notice. Even if you believe nothing is wrong, submit a response.
What are the consequences of ignoring a Section 148 notice?
Ignoring a Section 148 notice has serious consequences: Best judgment assessment under Section 144 — AO can assess income based on available information without your input. Tax demand with interest under Section 234A, 234B, 234C plus applicable surcharge and cess. Penalty of 50% of tax on under-reported income (Section 270A) or 200% if misreporting is established. Prosecution under Section 276C for willful attempt to evade tax. The statute of limitations for prosecution is separate and can extend years beyond assessment. Responding promptly with a CA's help is always the right approach.

Related Pages

Income Tax Notice Guide Best Judgment Assessment Appeal Filing CITA Advance Tax Calculation Belated Return Filing
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