Income Tax Notice Resolution Guide: Section 143(1), 139(9), 142(1) & 148

आयकर नोटिस (143(1), 139(9), 148) समाधान गाइड

Comprehensive guide to understanding and responding to various Income Tax notices issued under the Income Tax Act: identifying the issuing authority, analyzing mathematical vs substantive discrepancies, statutory response timelines (typically 15 to 30 days), and submitting e-proceedings responses on the e-filing portal.

Written by: Author Profile

Direct Tax & CA Review Panel

Chartered Accountancy Review Panel • Senior Direct Tax Review Desk

Reviewed & Fact-Checked by: Technical Review Panel

Tax Law & Dispute Review Desk

Tax Litigation & Legal Review Panel • Tax Appeal & Procedure Review Desk

Published: 1st April 2026•Last Updated: 15th August 2026•Last Reviewed: 15th August 2026

Key Statutory Highlights (FY 2026-27 (AY 2027-28))

Section 143(1) Intimation: Automated processing order issued when CPC computes a higher tax liability or disallows claims due to data mismatches (e.g. 26AS/AIS variance).

Section 139(9) Defective Return Notice: Issued when ITR has missing schedules, incorrect ITR form chosen, or tax audit report not attached (15 days to file response).

Section 142(1) Inquiry Notice: Issued by the Assessing Officer requesting specific accounts, bank statements, or proof of source of funds before making an assessment.

Section 143(2) Scrutiny Notice: Issued when the case is selected for detailed scrutiny by Computer-Assisted Scrutiny Selection (CASS).

Section 148 / 148A Reassessment Notice: Issued when the department has reason to believe that taxable income has escaped assessment (can be issued up to 3 years or 5 years if escaped income > ₹50L).

Who is Eligible & When Does it Apply?

Applicability #1

Any taxpayer who has received an electronic intimation or statutory notice on their e-filing portal dashboard or registered email.

Step-by-Step Procedure & Compliance Roadmap

Authenticate Notice DIN (Document Identification Number)

Verify that the notice bears a valid CBDT DIN by checking on eportal.incometax.gov.in -> Authenticate Notice/Order.

Identify the Section & Underlying Discrepancy

Download the notice PDF from Pending Actions -> e-Proceedings and examine the exact grounds.

Prepare Factual & Legal Reconciliation

Collate bank statements, TDS certificates, and investment receipts matching the questioned amounts.

Submit Online Response via e-Proceedings

Upload written submission, balance sheets, and annexures on the portal before the statutory response date.

Mandatory Documents Checklist

Original Notice PDF with DIN, Bank Passbooks, Form 26AS, AIS Statement, Investment Receipts, Written Explanation Submission

Common Mistakes & Compliance Risks to Avoid

•Ignoring online notices assuming they are spam emails (leads to ex-parte best judgement assessment u/s 144).

•Responding without checking whether the notice bears a valid statutory DIN.

Frequently Asked Questions

What is Faceless Assessment under Income Tax?

Under the Faceless Assessment scheme, all notices, queries, responses, and orders are processed electronically through the National Faceless Assessment Centre (NaFAC) without requiring personal physical appearance at any tax office.

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🛡️ Educational Disclaimer: FinSetu India is an independent educational guidance and calculation platform. Content is published for general citizen awareness based on applicable laws as of FY 2026-27 (AY 2027-28). We do not provide personalized legal/tax advice or file returns directly. Verify current applicable rules on official portals or consult a qualified Chartered Accountant / Tax Lawyer.