Navigating Section 143(1) of the Income Tax Act: Process and Implications

Understanding Section 143(1) of the Income Tax Act: What Your Intimation Means and How to Respond

Once you’ve filed your Income Tax Return (ITR), you may receive a formal communication from the Income Tax Department titled an ‘Intimation under Section 143(1)’. This is not a cause for alarm—in most cases, it's a standard part of the automated return processing system used by the department.

What is a Section 143(1) Intimation?

Under Section 143(1), the Central Processing Centre (CPC) of the Income Tax Department carries out a preliminary assessment of your ITR. This is an automated check—no human scrutiny is involved at this stage. The department compares the details you reported in your return (such as income, deductions and tax payments) with information available in their systems—such as:

TDS details from Form 26AS
Statements filed by employers, banks and other deductors
Tax payments made via challans or self-assessment

The goal is to identify common discrepancies such as:

Arithmetical or calculation errors
Mismatch in TDS claimed vs. available in Form 26AS
Claims for deductions or exemptions not supported by third-party records
Losses carried forward or set off inconsistently

What Does the 143(1) Intimation Contain?

The intimation is structured in two columns:

As provided by the taxpayer – the figures you filed
As processed by the department – the department’s calculation after adjustments

Based on this, the intimation will state one of the following outcomes:

No Demand / No Refund – Your return is accepted as is.
Refund Determined – You’ve overpaid taxes; a refund is due and will be credited automatically if it exceeds ₹100.
Tax Demand Raised – Additional tax is payable. You’ll be informed of the amount and how to pay it.

Timeline for Receiving a Section 143(1) Intimation

The Income Tax Department is required to send this intimation within nine months from the end of the financial year in which the return was filed.

For example: If you filed your return for FY 2023–24 in July 2024, the intimation may be issued any time up to December 31, 2025. If no intimation is received within this timeframe, your return is deemed to have been accepted without any modifications.

What Should You Do Upon Receiving the Intimation?

If no demand or refund is indicated:

No action is required.
Download and keep the intimation for your records.

If a refund is shown:

The refund will be automatically processed and credited to your validated bank account.

If a tax demand is raised:

Review the calculations and reasons for the adjustment.
If you agree, pay the amount using Challan Code 400 (tax on regular assessment) on the e-filing portal.
If you disagree, you may file a rectification request under Section 154, along with appropriate supporting documents.

Made an error in your original filing?

You can file a revised return under Section 139(5)—but only if you're still within the permitted time window.

Note: It's important to act within the deadline mentioned in the notice, usually 30 days. Delayed response may limit your ability to revise or dispute the department’s findings.

How to Download the 143(1) Intimation

Log in to the Income Tax e-filing portal
Go to: e-File > Income Tax Returns > View Filed Returns
Find the relevant assessment year and click on ‘View Details’
If the return is processed, select ‘Download Intimation Order’

The file is password protected. Use:

Password = PAN (lowercase) + Date of Birth in DDMMYYYY format

Tips and Common Scenarios

Receiving a 143(1) intimation is normal—especially if the department’s records match your return.
Review carefully—even in “No demand” or “Refund” cases, verify key figures and ensure all entries align.
Consult your tax professional if you see a demand, notice a discrepancy, or are unsure how to proceed.

In Summary

A 143(1) intimation is simply the department’s acknowledgement of your ITR, reflecting either acceptance or adjustment based on a preliminary automated check. While most intimations don’t require a response, timely attention is important—especially if there's a mismatch or demand.