Receiving an income tax notice can be stressful. Whether it is an intimation under Section 143(1), a demand notice under Section 156, a scrutiny notice, or a notice for high-value transactions, the key is to respond correctly and on time.
If a demand goes unpaid, the department moves to recovery, and from 1 April 2026 the rules there have softened: see how CBDT removed arrest and detention from Rule 225 tax recovery and what powers remain.
This comprehensive guide covers how to reply to income tax notices in 2026, including specific formats for Section 226(3), Section 133(6), Section 143(1), Section 142(1), Section 156 demand notices, scrutiny notices, and notices for not filing income tax returns.
Understanding Income Tax Notices: Why You Received One
The Income Tax Department uses advanced data analytics and AI to cross-reference your Income Tax Return (ITR) with external financial data from banks, sub-registrar offices, mutual funds, and stock exchanges via your PAN.
Common Triggers for Income Tax Notices
- Income or transactions in your AIS that are missing from your ITR, such as interest, dividends, capital gains, or rent
- High-value transactions reported by banks and registrars, such as cash deposits aggregating Rs 10 lakh or more in savings accounts in a year, or property bought or sold for Rs 30 lakh or more
- TDS credit claimed that does not match Form 26AS
- Deductions or exemptions (HRA, 80C, 80D) out of line with your profile or not supported by records
- Not filing a return even though TDS was deducted or high-value transactions were reported
- Wrong ITR form, missing schedules, or tax not paid, leading to a defective return notice
Before You Reply: The 5-Step Checklist
Before drafting your income tax notice reply, follow this checklist:
Step 1: Verify the Notice is Genuine
Every genuine notice from the Income Tax Department must carry a computer-generated Document Identification Number (DIN) under CBDT Circular 19/2019. A communication without a valid DIN is treated as invalid. Verify it with the Authenticate Notice or Order Issued by ITD service on the e-filing portal.
Step 2: Identify the Section
Read the notice carefully to identify which section of the Income Tax Act it falls under. Different sections have different requirements, deadlines, and consequences.
Step 3: Check the Deadline
Most notices specify a deadline for response. Common timelines include:
- Section 139(9) defective return: 15 days from the date of intimation (extension can be requested)
- Section 143(1)(a) proposed adjustment: 30 days to agree or disagree
- Section 156 demand notice: 30 days to pay, unless the notice states otherwise
- Sections 142(1), 143(2), 133(6): the date given in the notice
Step 4: Gather Supporting Documents
Collect all relevant documents: bank statements, salary slips, investment proofs, TDS certificates, and any other evidence that supports your position.
Step 5: Draft a Professional Reply
Prepare a structured reply with a covering note, paragraph-by-paragraph response to the notice, working papers showing calculations, and annexures with supporting documents.
How to Submit Your Income Tax Notice Reply Online
The Income Tax Department requires all replies to be submitted online through the e-Filing portal. Here is the step-by-step process:
- Log in to the e-Filing portal with your PAN and password.
- Go to Pending Actions and then e-Proceedings.
- Select the proceeding and click View Notices to open the notice.
- Click Submit Response, type your reply, and attach supporting documents in PDF.
- Submit and download the acknowledgement. Keep it with a copy of your reply.
Alternative Route - CTN Facility: For notices not linked to your PAN/TAN or if you cannot log in, use the pre-login "Comply to Notice" (CTN) facility. You can respond using your DIN, OTP-validated mobile/email, and Aadhaar details.
Common Types of Income Tax Notices and How to Reply
1. Section 143(1) - Intimation Notice
What it is: This is an intimation sent after your ITR is processed. It compares your tax calculation with the department's calculation and may indicate a tax demand or refund.
When you receive it: After filing your ITR, the CPC processes it and issues an intimation under Section 143(1).
How to reply:
- Review the intimation: Log in to the IT portal, download the PDF, and compare it with your return.
- Identify the issue: Check the "As per return filed" vs "As per department" columns to spot mismatches in TDS, income, or deductions.
- Agree or disagree: If you agree, pay any additional tax. If you disagree, proceed to respond online.
- Submit response: Go to Income Tax Portal → e-Proceedings → e-Assessment/Proceedings → select the notice → Submit response.
Password for PDF: The Section 143(1) intimation PDF is password-protected. Enter your PAN in lowercase followed by your date of birth in DDMMYYYY format. Example: PAN ABCDE4321F and DOB 02/02/2000 → password is "abcde4321f02022000".
Deadline: Typically 30 days if there is a demand (verify current deadline on incometaxindia.gov.in).
2. Section 142(1) - Inquiry Before Assessment
What it is: This notice is issued when the Assessing Officer requires additional documents, account books, or specific clarifications regarding your income.
When you receive it: When the department needs more information before completing the assessment. It is an investigative and fact-gathering notice.
How to reply:
- Acknowledge receipt immediately: Record the date and preserve system logs/download receipts.
- Read the notice carefully: Identify each item demanded - returns, bank statements, contracts, tax computation, TDS certificates, GST reconciliations, invoices.
- Prepare detailed written explanations: For every requested item, provide a concise narrative explaining the entry's nature, accounting treatment, and relevant statutory provisions.
- Submit online: Login to the e-Filing portal → e-Proceedings → select notice → upload required documents in PDF or specified formats → submit.
Key point: A notice under Section 142(1) is not an adjudication; it is an opportunity to submit your case and supporting evidence. Failure to respond enables the AO to adopt best judgment assessment under Section 144.
3. Section 133(6) - Information Request Notice
What it is: Under Section 133(6), the Income Tax Department can require any person or entity, not just the taxpayer under assessment, to furnish information or documents relevant to tax proceedings.
When you receive it: Often triggered by high-value or inconsistent transactions, sudden spikes in income or deductions, or incomplete return details. These notices are investigative in nature and do not indicate guilt-they are routine compliance tools.
For a deeper walkthrough of replying on e-Proceedings, the Compliance Portal and Comply to Notice, see our dedicated guide on how to respond to a Section 133(6) income tax notice.
How to reply:
- Read the notice carefully: Understand the scope of information requested and the timeline.
- Identify documents/information asked: Compile accurate and matching data.
- Submit response online: Login to e-Filing → e-Proceedings → view notice → submit response (full/partial) → attach documents → submit.
- Maintain consistency: Ensure your response is consistent with your ITR, AIS, and other filings.
Response types:
- Full Response: If you have all required information
- Partial Response: If you need multiple submissions
Limitations:
- Cannot add or appoint an Authorized Representative
- No option to seek adjournment
- Up to 10 attachments allowed, each ≤ 5 MB
Consequences of non-compliance: A penalty under Section 272A(2) of Rs 500 for every day the failure continues, and the information gap can lead to further inquiry or reassessment.
Note: Section 133(6) itself has no statutory time limit; respond within the notice's specified timeframe.
4. Section 156 - Demand Notice
What it is: A demand notice under Section 156 is issued when there is tax, interest, penalty, or any other sum payable by the taxpayer.
When you receive it: After assessment or when the department determines that additional tax is due.
How to reply:
You have four options when responding to a demand notice under Section 156 (through Pending Actions, Response to Outstanding Demand):
- Demand is correct: pay it through Challan 280 and keep the payment proof.
- Demand is partially correct: pay the part you accept and give reasons for the rest.
- Disagree with the demand: select the reason (for example, tax already paid, or a rectification or appeal already filed) and attach proof.
- Rectification or appeal: file a Section 154 rectification for an apparent mistake, or an appeal to the CIT(A) within 30 days.
Sample reply format for Section 156 demand notice:
Subject: Reply to Notice under Section 156 to [PAN] to [Assessment Year]
Dear Sir/Madam,
I acknowledge the receipt of your Notice under Section 156 of the Income Tax Act, 1961, dated [DD/MM/YYYY], for the Assessment Year [Year], served on me.
After reviewing the notice and comparing it with my records, I [agree/partially disagree/fully disagree] with the demand for the following reasons:
[Point-wise explanation]
[Supporting documents attached]
I request you to consider my submission and revise the demand accordingly.
Thank you.
Yours sincerely, [Name] [PAN] [Contact Details]
Deadline: As specified in the notice (verify current timelines on incometaxindia.gov.in).
5. Section 226(3) - Garnishee Notice
What it is: Under Section 226(3), the Income Tax Department can issue a notice to a person who owes money to the taxpayer (or may become liable to pay), requiring them to pay that amount directly to the Assessing Officer.
When you receive it: When there is an outstanding tax demand against the taxpayer, and the department seeks to recover it from third parties who owe money to the taxpayer.
How to reply:
- Verify if any amount is payable: Check whether you actually owe any money to the person named in the notice.
- File a statement on oath: If you dispute the liability, file a statement on oath under Section 226(3)(vi) explaining why the sum demanded is not payable.
- Provide proof: If the money blocked is not lawfully yours (e.g., held in trust), prove it and request withdrawal of the notice.
- Seek legal advice: This is a serious notice that can lead to attachment of funds. Consult a CA or tax lawyer.
Key point: A person to whom a notice under Section 226(3) is sent has the right to object by a statement on oath that the sum demanded or any part thereof is not payable.
6. Notice for High-Value Transactions
What it is: A notice triggered when high-value transactions (property purchases, large cash deposits, stock market trades) are not fully reported in your ITR.
How to reply:
- Identify the specific transactions: Review the notice to understand which transactions are flagged.
- Verify the amounts: Cross-check with your bank statements, property documents, or brokerage statements.
- Provide explanation: Explain the source of funds for each transaction.
- Attach supporting documents: Bank statements, sale deeds, contract notes, and proof of source of funds.
Example: If you received a notice for a large cash deposit, provide bank statements showing the deposit, explain the source (salary, business income, gift, etc.), and attach supporting documents.
7. Income Tax Scrutiny Notice (Section 143(2))
What it is: A notice under Section 143(2) is issued when your return is selected for detailed examination. It initiates a scrutiny assessment where the Assessing Officer may ask for supporting documents and explanations.
Time limit: The scrutiny notice must be served within 3 months from the end of the financial year in which the return is filed. For an AY 2026-27 return filed in 2026, that is 30 June 2027.
How to reply:
- Respond promptly: Acknowledge the notice and request an extension if needed (with valid reasons).
- Prepare detailed explanations: For each query, provide a clear explanation with supporting documents.
- Maintain consistency: Ensure your response is consistent with your ITR and other filings.
- Consider professional help: Scrutiny assessments can be complex-consider engaging a CA.
8. Notice for Not Filing Income Tax Return
What it is: A notice issued when the department believes you have taxable income but have not filed an ITR.
How to reply:
- Check if you are required to file: Verify whether your income exceeds the basic exemption limit.
- File the return immediately: If you are required to file, file the ITR (belated return if the deadline has passed) before responding.
- Provide explanation: If you were not required to file, provide a clear explanation with supporting documents.
- Pay any tax due: If there is tax liability, pay it along with applicable interest.
9. Notice to Salaried Employees
What it is: Salaried employees may receive notices for various reasons: HRA deduction mismatch, claiming incorrect deductions, or mismatch in TDS credit.
How to reply:
- Review Form 16 and Form 26AS: Cross-check TDS credit with employer's filings.
- Verify HRA claim: Ensure rent receipts and rental agreements are in order.
- Check deduction claims: Verify all Section 80C, 80D, and other deductions are correctly claimed.
- Submit response online: Provide explanation and attach supporting documents.
General Income Tax Notice Reply Format
Use this format as a template for your income tax notice reply:
[Your Name] [Your Address] [PAN] [Contact Number] [Email]
Date: [DD/MM/YYYY]
To, The Assessing Officer, Income Tax Department, [Address/City]
Subject: Reply to Income Tax Notice under Section [Section Number] to PAN: [XXXXX] to Assessment Year: [AY]
Dear Sir/Madam,
I acknowledge the receipt of your notice under Section [Section Number] of the Income Tax Act, dated [DD/MM/YYYY], reference number [Notice Reference Number].
After carefully reviewing the notice and comparing it with my records, I submit the following response:
[Point 1 to Explanation]
[Point 2 to Explanation]
[Point 3 to Explanation]
Supporting documents are attached for your reference:
[Document 1]
[Document 2]
[Document 3]
I request you to consider my submission and take appropriate action.
Thank you.
Yours sincerely, [Signature] [Name] [PAN]
Common Mistakes When Replying to Income Tax Notices
1. Ignoring the notice
Ignoring a notice does not make it go away. It leads to penalties, interest, and potentially legal action.
2. Missing the deadline
Every notice has a deadline. Missing it can result in automatic rejection of refunds, unilateral tax demands, and penalties.
3. Submitting a vague response
A reply cannot merely be a text message stating "I am correct." You must attach substantial, categorized evidence.
4. Not verifying the DIN
Every genuine notice must carry a valid DIN. No DIN means the notice is invalid.
5. Uploading irrelevant documents
Only upload documents that are relevant to the notice. Irrelevant documents reduce credibility.
6. Not keeping a copy of the response
Always retain a copy of the notice, your complete response, and the acknowledgement receipt from the e-Filing portal.
7. Not mentioning the notice reference number
Always include the notice reference number and date in your reply for proper tracking.
8. Filing a reply in the wrong format
Submit your reply only through the e-Proceedings tab on the e-Filing portal. Email or physical submissions may not be considered.
Key Points to Remember
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Every notice has a deadline : respond before it expires
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Use the e-Proceedings tab : all replies must be submitted online
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A proper reply format includes reference number, explanation, supporting documents, and conclusion
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Supporting documents are crucial : a reply without evidence is weak
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If you disagree with a demand, provide a clear explanation and supporting documents
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If you agree with a demand, pay the amount and submit proof of payment
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Consider professional help for complex notices like scrutiny or reassessment
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Always verify the DIN before responding to any notice
Where Tax Garden Helps
Replying to an income tax notice requires careful attention to detail, understanding of the law, and proper documentation. A single mistake can lead to penalties, interest, or legal action.
Tax Garden's tax experts help you:
- Understand the notice : identify the section, deadline, and required action
- Prepare the correct reply format : structured response with proper explanations
- Gather supporting documents : ensure all evidence is relevant and complete
- Submit the reply online : through the e-Proceedings tab
- Follow up : track the status and respond to any additional queries
Sources: Income Tax Act, 1961 (Sections 133(6), 139(5), 139(9), 142(1), 143(1), 143(2), 148, 156, 226(3), 234A, 234B, 234C, 234F, 234-I, 270A, 271(1)(c), 272A(2), 276C); Income Tax Act, 2025; Income Tax Department e-Filing portal (incometaxindia.gov.in); CBDT notifications on DIN, e-Proceedings, and notice procedures. Verify current deadlines, procedures, and penalty rates on incometaxindia.gov.in before acting, as rules may be updated periodically. This article is general information on income tax notice reply and not a substitute for advice on your specific situation.
Frequently Asked Questions
How do I check whether an income tax notice is genuine?
Every notice or communication from the Income Tax Department must carry a computer-generated Document Identification Number. You can verify it on the e-filing portal using the Authenticate Notice or Order Issued by ITD service, without logging in, by entering the DIN or your PAN with the notice details. Genuine notices also appear under Pending Actions, e-Proceedings, after you log in.
What is the time limit for the department to issue a scrutiny notice under Section 143(2)?
A notice under Section 143(2) must be served within three months from the end of the financial year in which the return was filed. So for an AY 2026-27 return filed in July 2026, the notice must be served by 30 June 2027. A scrutiny notice served after this limit can be challenged as time-barred.
What should I do if I disagree with a demand shown in my 143(1) intimation?
First check the reason in the intimation: often it is TDS not matched, a deduction disallowed or a calculation difference. On the e-filing portal, go to Pending Actions, Response to Outstanding Demand, and mark the demand as disagreed with reasons. If it arose from a mistake, file a rectification request under Section 154. An appeal to the CIT(A) within 30 days is also available.
How long do I have to fix a defective return notice under Section 139(9)?
A defective return notice usually gives 15 days from the date of intimation to correct the defect, such as wrong ITR form, missing schedules or tax unpaid. You respond by uploading a corrected return through e-Proceedings. If you do not respond in time, the return is treated as invalid, as if it was never filed, though you can request extra time before the deadline.
What happens if I ignore a notice asking for information under Section 142(1)?
Non-compliance with a Section 142(1) notice allows the Assessing Officer to complete a best judgment assessment under Section 144 based on available information, usually with a higher demand. It can also attract a penalty of Rs 10,000 per failure under Section 272A(1)(d). If you need more time, request an adjournment through the portal before the due date.
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