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Published on 18 August 2025

Navigating Defective Returns in Income Tax Filing: A Complete Guide

Understanding Defective Returns Under Section 139(9): Causes, Process & Remedies

Filing your Income Tax Return (ITR) requires precision. Even small omissions or mismatches can result in a notice under Section 139(9)—commonly known as a “Defective Return Notice.”

What Is a Defective Return?

A return is treated as “defective” if the Income Tax Department finds errors, missing information, or inconsistencies.

Common triggers include:

  • Mandatory fields left blank
  • TDS claimed but related income not reported
  • Missing audit or bookkeeping details (for business/professional taxpayers)
  • Name, PAN, or income mismatches
  • Wrong disclosures under presumptive taxation or turnover reporting

How the Notice Reaches You

  • Mode: Email to your registered ID and available on the e-filing portal

  • Title: “Communication under section 139(9) for PAN [Your PAN] for Assessment Year [Year]”

  • Password to open attachment: Your PAN (lowercase) + DOB in DDMMYYYY format

    • Example: PAN = MNOPQ1212C, DOB = 12/10/1987 → password = mnopq1212c12101987

Deadlines to Remember

  • Response Time: 15 days from receipt
  • Consequences of Inaction: Return becomes invalid → refund delayed or denied
  • Extension: Can be requested through the portal if you need more time

Frequent Reasons for Defective Returns

  • Income reported without corresponding TDS (or vice versa)
  • Missing annexures, schedules, or audit reports (esp. under Sec. 44AB)
  • Name mismatch between ITR and PAN
  • Errors in presumptive income disclosures
  • Incorrect reporting of turnover/receipts

How to Respond to a Section 139(9) Notice

  1. Read the Notice Carefully – Identify the specific error/defect.

  2. Log in to the E-filing Portal using PAN/Aadhaar.

  3. Navigate: Pending Actions → E-proceedings → Select “Defective Return Notice.”

  4. Respond Based on Situation:

    • Agree with Defect: Correct your ITR, upload revised JSON file.
    • Disagree with Defect: Submit a written explanation with supporting documents.

  5. E-verify your revised return/response to complete the process.

Quick FAQs

  • Is a defective return invalid? → Only if you don’t correct it within the timeline.
  • Can I change my response later? → No, review carefully before submission.
  • Can an authorized person respond? → Yes, if you’ve authorized them on the portal.
  • Missed the 15-day window? → File an extension request; otherwise, the return may be treated as invalid.
  • Can I file a fresh return? → Yes, if the timeline for filing is still open.

Action Point

If you receive a defective return notice, act immediately. Rectify errors online or respond with explanations if you disagree. For complex cases, always seek help from your CA or tax professional.

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