The Income Tax Act, 1961 empowers the Income Tax Department to issue notices to taxpayers to ensure proper compliance. These notices may seek information, require filing of returns, demand payment of tax, or initiate scrutiny or reassessment.
⚠️ Important: Any notice not issued as per the provisions of the Act is invalid, and related tax or penalty proceedings can be challenged. Hence, understanding the type of notice, purpose, and time limits is crucial for every taxpayer.
Below is a simplified overview of the major Income Tax notices and their timelines.
1. Section 142(1) – Inquiry Before Assessment
Purpose:
Issued to call for:
- Books of accounts or documents
- Additional information or clarifications
- Filing of return if not already filed
When issued:
- Whether or not the return is filed
Time Limit for Issue
- For documents/information:
Up to 3 years prior to the relevant financial year - If return not filed:
No specific limit mentioned, but practically governed by assessment time limits
Time Limit for Response
- As specified in the notice
2. Section 143(1) – Intimation (Summary Assessment)
Purpose:
Processing of return to correct apparent errors, such as:
- Arithmetical mistakes
- Incorrect claims
- Disallowed deductions
- Losses claimed after due date
Time Limit for Issue
- Within 9 months from the end of the financial year in which the return is filed
Time Limit for Response
- 30 days from the date of intimation
Non-response may lead to:
Tax demand, penalties, or prosecution proceedings.
3. Section 143(2) – Scrutiny Assessment Notice
Purpose:
Issued when the Assessing Officer is not satisfied with the return or details submitted and wants a detailed examination.
Time Limit for Issue
- Within 3 months from the end of the financial year in which the return is filed
Time Limit for Response
- As specified in the notice
Non-compliance may result in:
- Penalty under Section 271
- Best Judgment Assessment under Section 144
4. Section 148 – Income Escaping Assessment
Purpose:
Issued when income has escaped assessment, even after completion or expiry of normal assessment timelines.
Process:
- Show Cause Notice under Section 148A
- If unsatisfied → Notice under Section 148
Time Limit for Issue (Summary)
| Escaped Income | Time Limit |
| ₹50 lakh or more | Up to 3 years 3 months |
| Less than ₹50 lakh | Up to 10 years (older cases), reduced to 5 years 3 months (new rules) |
Time Limit for Response
- 3 months from the end of the month in which notice is issued
5. Section 156 – Demand Notice
Purpose:
Issued along with the assessment order when tax, interest, or penalty is payable.
Time Limit for Payment
- 30 days from receipt of notice
- Extension or instalments possible in special cases
Non-payment leads to:
- Interest @ 1% per month
- Additional penalties
6. Section 139(9) – Defective Return Notice
Purpose:
Issued when the return filed is defective or incomplete.
Time Limit for Rectification
- 15 days from notice date
- Extension possible on request
Failure to respond:
- Return treated as invalid (as if not filed)
Final Takeaway
Being proactive, maintaining proper records, and filing accurate returns on time can help you avoid unnecessary notices, penalties, and reassessments. If a notice is received, always check:
- Correct section
- Applicable time limit
- Required response timeline
Timely compliance is the key to staying stress-free with income tax matters.