Income Tax Department of India (CBDT)Official CBDTTax & GST

Official PAN AO Code Search (Area Code, AO Type, Range, AO No)

Find official 4-element Assessing Officer (AO) Code (Area Code, AO Type, Range Code, AO Number) required for new PAN applications, TAN creation, and tax jurisdiction transfers.

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PAN AO Code Search

Open the official government portal in a secure external window while keeping this guide active.

https://eportal.incometax.gov.in/iec/foservices/#/pre-login/aoSearch

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Official Host: Income Tax Department of India (CBDT)

Regulating Body

Income Tax Department of India (CBDT)

Primary Function

Verification & Statutory Search

Jurisdiction

Pan-India (28 States & 8 UTs)

Processing SLA

Instant Real-Time Result

Official Walkthrough Guide

How to Verify & Search via Official Portal

4 Quick Steps

Access Official AO Search Engine

Open the CBDT Assessing Officer search tool on the e-filing portal.

Filter by City & Alphabet

Select the state and city, then filter wards by the applicant's name alphabet or pin code.

Identify 4 AO Code Components

Note down Area Code (3 letters), AO Type (2 letters), Range Code (digits), and AO Number (digits).

Paste into Form 49A / 49B

Enter the complete AO code into your PAN or TAN application to avoid jurisdictional transfer delays.

Prerequisites Checklist

Required Information & Inputs

Have these records ready before initiating the search.

City and State of applicant's residential or registered corporate address
Legal constitution (Individual, Company, Defense Personnel, or Trust)
Ward / Circle jurisdiction (based on income slab or territorial ward boundaries)
Pin code of the registered office or primary residence

Zero sensitive credentials required or stored

Notice Guard

Common Scrutiny Mistakes

Avoid portal rejections, tax notices, and filing penalties.

Issue: Selecting Individual Ward code for a Private Limited Company or LLP application

Fix: Corporate entities must select the designated Corporate Ward or Circle (e.g., Cir 1(1)(1) Co) rather than personal wage wards.

Issue: Choosing jurisdiction based on temporary residence instead of permanent address

Fix: AO jurisdiction must match the address proof provided with the Form 49A application.

Issue: Using obsolete AO codes during jurisdictional transfer requests

Fix: CBDT periodically re-organizes revenue ranges. Always re-verify AO codes before submitting Section 127 transfer petitions.

Validated against latest 2026 statutory circulars

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Statutory References & Guides

ITR Filing Due Dates & Penalties (AY 2026-27)Annual ROC & Statutory Compliance Calendar

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Facing portal gateway timeout, incorrect assessment ward, or document rejection? Connect directly with our compliance desk.

Got Questions?

Frequently Asked Questions About PAN AO Code Search

Statutory guidance, portal troubleshooting, and official legal rules compiled by corporate professionals.

Portal Navigation & Filing Rules

What are the 4 parts of an AO Code?+

An AO Code consists of: (1) Area Code (3 letters indicating geographical territory), (2) AO Type (identifies Ward, Circle, Special Range, or International Tax), (3) Range Code (revenue assessment range), and (4) AO Number (specific assessment desk).

Why is an AO Code mandatory in PAN Form 49A?+

The AO Code assigns your tax file to a specific jurisdictional Assessing Officer responsible for processing your tax returns, assessments, refunds, and issuing statutory notices under Section 143/148.

What happens if I submit a wrong AO Code in my PAN application?+

Protean/UTI will still process the PAN card, but your file will be routed to an incorrect tax ward. If scrutiny arises, transferring your file to the correct officer requires a formal application under Section 127.

Statutory Compliance & Scrutiny Relief

How do I know whether to choose a 'Ward' or a 'Circle'?+

Generally, Circles handle higher-income returns (individuals with income above ₹10-15 Lakhs and corporate entities), while Wards handle standard income cases below statutory thresholds.

Can non-residents (NRIs) use standard territorial AO codes?+

No. Non-Resident Indians and foreign corporations must select International Taxation AO codes specifically designated in major metropolitan centres like New Delhi, Mumbai, or Chennai.

How can I check who my current Assessing Officer is?+

Log into the Income Tax e-filing portal, click on your profile at the top right, and select 'Jurisdiction Details'. It will display your current AO Name, Designation, Office Building, and official email address.

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