ITR Filing & FormsIntermediate7 min readJune 2026

Learning article

Understanding Income Tax Notices — What They Mean & How to Respond

From Section 143(1) intimation to scrutiny notices, decode common tax notices and learn the right way to reply without panic.

Quick takeaways

Not all notices are bad — some are just intimations about adjustments or refunds.

Respond within the time limit to avoid further action.

Understanding the section under which the notice is issued helps you prepare the correct response.

Story intro

Sneha panicked when she received an email titled ‘Notice under Section 143(1)’. She thought she was being investigated. In reality, it was just an intimation of a small math adjustment in her return — which she could either accept or dispute online within 30 days.

Overview

Common types of notices

Section 143(1): Intimation after processing — shows refund or demand arising from arithmetic corrections.

Section 139(9): Defective return notice — missing information or wrong form.

Section 142(1): Inquiry before assessment — asking for documents or details.

Section 148: Reassessment notice — if income has escaped assessment.

Important facts

How to respond

Log in to e‑filing portal and go to ‘Pending Actions’ or ‘Worklist’.

For Section 143(1), if you disagree, file a rectification request or respond online.

For defective return, you’ll get 15 days to correct the defect (extendable).

Keep digital copies of all submissions.

Common mistakes

Why you shouldn’t ignore

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Ignoring a notice can lead to best judgment assessment, penalty, or prosecution.

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Even an intimation that shows a small demand, if not paid, can attract interest.

Key takeaways

Prevention is better

File accurate returns; match all sources with AIS.

Keep all supporting documents for at least 6 years.

Respond within deadlines — set reminders.

FAQs

Common questions

Can I ignore a notice if the demand is very small?

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No, it’s still a legitimate demand. Paying it avoids future complications.

What if I missed the deadline to respond?

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The assessing officer may pass an order based on available information. You can still file a condonation request, but it’s better to act on time.

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