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02 November 2026 11 min read Government, Departmental & Regulatory Letters

Income Tax Notice Reply Format: 143(1), 139(9) and 148 Notices

income tax notice reply format for 143(1) intimation, 139(9) defective return and 148 reassessment: point-wise reply, evidence and appeal timelines.

The email says "Notice u/s 143(1)" and the attached PDF runs to four pages of numbers. Or the portal shows a 139(9) for a return you thought was filed correctly. Or an envelope arrives under Section 148, and the words "escaped income" make the whole year look like a problem.

The income tax notice reply format is the same for most of them. Most income tax notices are mechanical — the system has compared your return with its own data and found a mismatch. A few are serious. The reply format is the same in either case, but the consequences of getting it wrong are not. This guide sets out how to read each notice, the reply structure that the department's e-proceedings module expects, and the timelines that cannot be missed.

Identify the notice before you write a word

The section number on the notice determines everything: the deadline, the officer, the portal path and the penalty exposure. Read the first page and the last page — the section is in the subject line and in the signature block.

Notice What it means Typical response window
143(1) intimation Automated comparison of your return with third-party data; may propose an adjustment, refund or no change Respond through e-proceedings within the period shown, often 15 to 30 days
139(9) defective return The return is treated as defective — a missing schedule, unsigned, wrong bank details or incomplete particulars Usually 15 days from the notice date
148 reassessment The Assessing Officer proposes to assess income that has escaped assessment As specified in the notice, commonly 7 to 30 days; a 148A(b) show-cause precedes it
142(1) inquiry The officer seeks information, documents or accounts before completing the assessment Date stated in the notice, extendable on written request
143(2) scrutiny The return has been selected for scrutiny; a hearing follows Comply with the first hearing notice; adjournments are limited

Two things to note at the outset. First, a 143(1) intimation is not an assessment order and does not always require a reply — where it proposes an adjustment, you must either accept it or respond; ignoring it allows the adjustment to become final. Second, a 148 notice is not a demand; it is the start of a reassessment proceeding, and the reply at the show-cause stage is where the case is usually won or lost.

Key takeaway: Every reply must be filed through the e-filing portal's e-proceedings facility against the specific notice, with the acknowledgement number quoted. A reply by email or post that is not uploaded on the portal is treated as not filed.

The income tax notice reply format that works

The e-proceedings module accepts a covering letter and attachments. Structure the covering letter so that each allegation in the notice is answered in the same order and with the same numbering.

Heading and reference block

Name, PAN, assessment year, the notice section, the notice date, the DIN or reference number, and the name of the Assessing Officer or the assessment unit. Quote the e-proceedings acknowledgement number if one was generated when you opened the notice.

Paragraph one: the notice and the response

One paragraph stating what the notice proposes and that you are responding within time. If you are seeking an adjournment, say so here and give a reason and a proposed date; a request made before the deadline is usually granted, a request made after it is not.

Paragraph two onwards: point-wise reply

Take each proposed adjustment, information request or allegation and answer it under the same number and heading as in the notice. For each, do four things: reproduce the department's point in one line, state your position in one line, give the factual basis, and reference the annexure that proves it. A reply that answers eight points in eight numbered paragraphs, each with an annexure, is far stronger than a three-page narrative.

The reconciliation statement

For any mismatch — TDS credit, interest income, dividend, cash deposits, GST turnover — attach a reconciliation statement in a table. Columns: the amount as per the department's data, the amount as per your return, the difference, and the reason. A reconciliation that adds up to zero is the single most persuasive document in a 143(1) or 148 reply.

The prayer and the declaration

Close with what you want: that the proposed adjustment be dropped, that the return be treated as valid, that the reassessment be dropped, or that the proceedings be kept pending while an application is decided. Add a declaration that the information is true and complete and that you have not concealed any income. Sign and date, and state your contact details.

Replying to a 143(1) intimation

The intimation compares your return with the department's internal data — Form 26AS, the Annual Information Statement, bank interest reports and high-value transaction reports. The common adjustments are a TDS credit mismatch, an interest income omission, a deduction claimed without proof, and a mismatch in the tax paid.

Where the adjustment is correct, accept it and pay the difference; contesting a correct adjustment costs more in interest and penalty than it saves. Where it is wrong, respond point-wise. A TDS mismatch usually arises because the deductor filed the statement late or under a different PAN; the reply should attach the deductor's certificate, the bank statement showing the credit, and the deductor's acknowledgement of the corrected statement.

Where the intimation results in a refund adjustment against an earlier demand, check whether the demand is still outstanding and whether it has been stayed. A refund set off against a time-barred or already-paid demand is a frequent error, and it is corrected by a rectification application under Section 154 or by a response in e-proceedings.

Replying to a 139(9) defective return notice

A 139(9) notice means the department has treated your return as defective. The notice specifies the defect — an unsigned return, a missing schedule, an incomplete bank account detail, a wrong claim in the computation. You must respond within the period stated, usually fifteen days, by filing a corrected return in response to the notice.

This is not a revised return under Section 139(5). It is a rectification of the defect, and the original filing date is preserved if the defect is cured in time. If you miss the window, the return is treated as never filed, which means the loss of carried-forward losses, the loss of a refund, and exposure to a penalty for failure to furnish a return. The remedy then is to file a fresh return, with the consequences that follow.

  • Read the defect code in the notice; each code corresponds to a specific schedule or field.
  • Correct only the defect identified — do not use the occasion to change unrelated figures, which can trigger a fresh mismatch.
  • File the corrected return through the e-filing portal under the "in response to notice u/s 139(9)" option.
  • Download the acknowledgement and keep it with the notice.

Replying to a 148 reassessment notice

A reassessment starts with information the department believes shows income that escaped assessment. Before issuing a 148 notice, the officer must ordinarily issue a show-cause under Section 148A(b), giving you the material relied on and an opportunity to reply. That reply is the most important document in the proceeding, because it is the stage at which the reassessment can be stopped without litigation.

The reply should do four things. First, ask for the material relied on if it has not been supplied — you cannot respond to information you cannot see. Second, address each item of information on the facts, with documents. Third, take the legal objections: whether the notice is within the limitation period, whether the officer had jurisdiction, whether the information is a mere change of opinion, and whether the mandatory procedure was followed. Fourth, ask for a personal hearing before any order is passed.

Where the notice is based on cash deposits in a bank account, the reply must explain the source — sale of property, maturity of investments, a loan, agricultural income, or transfers between your own accounts. A cash deposit explained by a documented sale of an asset is not escaped income. A deposit explained by "withdrawals from another account" requires statements from both accounts showing the dates and amounts.

Timelines and consequences

  • 139(9): cure within the period in the notice, usually fifteen days. Missing it treats the return as not filed.
  • 148A(b): reply within the period specified, commonly seven to thirty days. The officer must consider the reply before issuing a 148 notice.
  • 142(1) and hearing notices: comply by the date given. Adjournment must be sought in writing before the date, with reasons.
  • Best judgment assessment under Section 144: if you do not comply, the officer may assess to the best of his judgment, which usually means the income is computed on the department's data with no benefit of your explanations.
  • Penalty under Section 271(1)(c): concealment or inaccurate particulars can attract a penalty, which is why a false or evasive reply is worse than an honest one that concedes an error.
  • Appeal to the Commissioner (Appeals): against an assessment order, generally within thirty days of the order, with the appeal filed electronically.

Mistakes that convert a routine notice into a demand

  • Ignoring the notice because it looks automated. A 143(1) adjustment becomes final if unanswered, and a 139(9) defect becomes a non-filed return.
  • Replying by email instead of on the portal. The e-proceedings reply is the only one on record.
  • Answering in narrative without annexures. The officer decides on documents; an assertion without proof is treated as unsupported.
  • Attaching a 300-page bank statement without a reconciliation. The officer will not compute your case for you.
  • Admitting a mistake in a way that invites penalty. Concede facts, but frame the explanation — an inadvertent omission corrected voluntarily is treated differently from concealment.
  • Missing the appeal window while corresponding with the officer. A rectification request does not stop the appeal period.
  • Filing a revised return after the assessment is completed. Section 139(5) does not permit it, and it will not cure the order.

Frequently asked questions

Is a 143(1) intimation a notice of demand?

Not always. It is an intimation of the processing of your return. Where it proposes an adjustment or creates a demand, it functions as a demand and must be responded to. Where it shows no adjustment and a refund, no reply is needed.

Can I get more time to reply to a notice?

Yes, by a written adjournment request uploaded on the portal before the deadline, stating the reason and a proposed date. Officers generally grant a short adjournment where the request is timely and specific. Repeated requests invite refusal and a best judgment assessment.

What happens if I do not reply to a 148 notice?

The officer may proceed to assess the income to the best of his judgment, add the alleged escaped income, and initiate penalty proceedings. The assessment order can be appealed, but the appeal is decided on the record you failed to build. Responding at the show-cause stage is far cheaper than appealing an ex parte order.

Do I need a chartered accountant or a lawyer to reply?

For a 143(1) mismatch, a well-documented reply prepared by the taxpayer is often sufficient. For a 148 reassessment or a scrutiny under 143(2), the reply involves legal questions about jurisdiction and limitation as well as accounts, and professional assistance is worth the cost — a badly framed reply can foreclose an objection that would otherwise have ended the proceeding.

Can I reply to a notice after the deadline?

You can file, and the officer may consider it, but the department is entitled to treat the deadline as mandatory. Where the delay is due to a genuine reason — illness, a portal failure, non-receipt of the notice — file the reply with an application explaining the delay and attaching proof. Do not assume late filing will be condoned.

Drafting Support

Our drafting team prepares income tax notice replies — point-wise responses, reconciliation statements, limitation and jurisdiction objections, and appeal memoranda — formatted for the e-proceedings module.

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