BIN details

How to View Book Identification Number (BIN) Details Online?

Know what a Book Identification Number (BIN) is, why it matters in income tax records, and how to view BIN details online easily.

Written by : Knowledge Centre Team

2025-12-19

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7 minutes read

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When you come across the term Book Identification Number or BIN, it naturally brings tax compliance to mind. With most tax filing processes now digitised, it is important to understand these terms, their purpose, and their relevance. BIN plays a key role in tracking specific TDS entries and ensuring the accuracy of tax records. 

While it may seem technical at first, knowing why it matters can help avoid confusion during verification and reporting. Through this blog, let us gain a clear understanding of how BIN supports smoother TDS filing compliance and better control over tax documentation.

Key Takeaways

  • BIN is a mandatory reference number used to track TDS entries made through book adjustments without challan payments

  • BIN helps the Income Tax Department verify whether the TDS deducted has been correctly reported and mapped to the deductee

  • Online BIN access simplifies verification and promotes transparency in digital TDS compliance processes

  • Incorrect or missing BIN details can result in invalid TDS returns and non-reflection of tax credit

  • Errors in BIN quoting may trigger notices, penalties, or late fees under Sections 234E, 271H, and 201

What Does the Book Identification Number Include? 

A Book Identification Number (BIN) is a unique reference generated for TDS entries that are not deposited through a regular challan. These entries are typically made through book adjustments, mostly by government offices and certain authorised entities. Since no physical challan exists for such transactions, the BIN serves as a digital trail linking the deduction to official records.

A BIN is not a single random number. It is made up of three important components that together validate a TDS transaction. As per the Income Tax Department, the Book Identification Number is generated by the reporting agency and shared with the deductors.

The following components help the Income Tax Department identify who deducted the tax, when it was deducted, and under which statement the entry was reported:

  • The first component is the receipt number of the Form 24G, which is generated when the deductor files the e-TDS statement. This confirms that the statement has been successfully accepted by the system. 

  • The date on which the TDS statement was deposited through book adjustment is the second component. 

  • The third component is the unique DDO serial number created by the system to distinguish that entry from others filed on the same day. This number is again already mentioned in the Form 24G.

Together, these elements ensure that every book adjustment entry is traceable, verifiable, and properly recorded. This structured identification is what makes BIN a reliable compliance mechanism in the absence of a challan.

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What is the Importance of BIN in TDS? 

The importance of BIN in TDS becomes clear when one understands how tax credits are matched and verified. For regular TDS payments made using challans, the challan number acts as proof of deposit. However, when TDS is adjusted internally rather than paid through a bank, an alternative reference is required. BIN fulfils this role by ensuring:

1. Accurate Reporting and Tax Credit Mapping

BIN enables the Income Tax Department to track whether the deducted tax has been correctly reported and accounted for. It ensures that such deductions are reflected accurately in the tax system and eventually credited to the deductee.

2. Improving Transparency in Book Adjustment Entries

Without BIN, book adjustment entries would lack transparency. This could lead to mismatches in Form 26AS, delays in crediting tax to the deductee, or unwanted notices during assessment. BIN acts as a bridge between the deductor’s records and the central tax database.

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Did You Know?

Quoting the Book Identification Number has been made compulsory with effect from 1st February, 2012

 

Source: incometaxindia

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Strengthening Compliance and Reducing Uncertainty for Taxpayers

From a compliance perspective, BIN also brings accountability. It confirms that the deductor has fulfilled their responsibility even when no physical payment is involved. Without this reference, taxpayers may be unsure whether the tax deducted on their behalf has been correctly reported or credited. 

This can lead to confusion while checking Form 26AS, delays in claiming tax credit, or queries from the tax department. By providing a clear reference, BIN makes reconciliation easier for tax authorities and gives taxpayers confidence that their tax records are accurate.

How to Download and View BIN Details Online?

Online availability of BIN information enhances transparency and efficiency in tax compliance. This digital approach supports accurate reporting and builds confidence in the tax filing process. With the shift, BIN information is available via the official TDS portals and related tax systems used to file e-TDS returns. Here’s an overview of the steps that you can follow to view and download BIN details online:

  • Accessing BIN Information Through Digital Tax Systems - With tax compliance becoming increasingly digital, viewing TDS-related BIN details is now part of a structured online process. BIN information is generated and stored within official tax reporting systems. Go to https://tinpan.proteantech.in/, the official, up-to-date website for viewing tax information.

    These platforms are designed to help you access records easily while maintaining accuracy and data security. Having digital access ensures quicker verification and reduces dependence on physical records.
  • Logging in to the Official Tax Information Network Platform - To begin the process, you must first do the AIN registration using valid credentials. This ensures that only authorised users can view sensitive tax information. Once authenticated, users gain access to their filed returns and transaction history, which serve as the basis for locating BIN details.
  • Selecting the Relevant BIN-Related TDS Statement - After logging in, the next step is to go to the section that lists submitted TDS statements. Users must select the appropriate financial year and quarter for which the book adjustment was made. Choosing the correct period is essential, as BIN is explicitly generated for statements filed under a particular quarter.
  • Viewing BIN Details Linked to Book Adjustments - Within the selected statement, the system displays entries filed under a book adjustment rather than a challan payment. The corresponding BIN details are shown alongside these entries. This link clarifies how the deduction was reported and allows you to verify that the information was recorded correctly.
  • Downloading and Storing BIN Information for Future Use - Once identified, BIN details can be downloaded or saved for record-keeping. It is recommended that you retain a copy of this information. It may be required during internal audits, reconciliations, or while responding to queries from the tax authorities. Keeping BIN-related TDS records organised helps ensure smooth compliance going forward.

What Happens When the BIN in TDS is Quoted Incorrectly? 

Not quoting BIN in TDS correctly can lead to multiple compliance issues since BIN acts as the primary reference for book adjustment entries. Proper quoting of BIN ensures smooth matching, timely credit, and reduced risk of disputes or follow-ups. Here’s what its absence may lead to:

  • No TDS Return - If BIN is not quoted or is quoted incorrectly in the TDS statement, the system may treat the entry as invalid. This can prevent the TDS credit from being reflected in the deductee’s tax records. In such cases, taxpayers may face difficulties filing their income tax return or claiming credits.
  • Notices from the IT Department - Incorrect or missing BIN details in TDS statements can also attract notices from the Income Tax Department asking for clarification or correction. Responding to such notices takes time and effort and may delay processing.
  • Late Fees and Penalties - In certain situations, late fees or penalties may also apply if the error leads to non-compliance or delayed correction. These consequences make it important for deductors to ensure that BIN details are entered accurately and reviewed before submission. These consequences are stated under Sections 234E, 271H, and 201.

What Else is Mandatory Apart From BIN in TDS? 

BIN is only one part of the TDS compliance framework. The Book Identification Number supports this system by ensuring that book adjustment entries meet the same standards of transparency and traceability as challan-based payments. Several other elements are equally mandatory to ensure proper filing and reporting. They are:

  • TDS/TCS Number - The first requirement is a valid Tax Deduction and Collection Account Number. Without TAN, no entity is authorised to deduct or report TDS. However, it may be permitted in exceptional circumstances under Section 194-IA. 
  • PAN - Correct quoting of Permanent Account Numbers is another critical requirement. PAN details of both the deductor and the deductee must be accurate, as mismatches can lead to a higher tax deduction or denial of credit.
  • Filing TDS Timely - Timely filing of TDS returns is also mandatory. Even if the deduction and reporting are correct, filing delays can incur late fees and interest.

    In addition, details such as the payment method, applicable section, amount paid, and tax deducted must be reported accurately. All these elements together ensure completeness and compliance of the TDS return.

Conclusion

The Book Identification Number may appear to be a small technical detail within the larger tax compliance system, but its role is critical. It ensures that TDS entries made without challans are properly tracked, verified, and credited.

Understanding what BIN is and its relevance in TDS helps prevent errors, delays, and unnecessary notices. Alongside other mandatory TDS requirements, BIN enhances transparency and accountability in tax reporting.

As tax systems continue to evolve digitally, awareness of such identifiers becomes essential. A clear understanding of BIN enables deductors and taxpayers to manage compliance with confidence and maintain accurate tax records with ease.

Glossary

  1. TDS: Tax deducted at source from payments made by a payer before the beneficiary receives the income
  2. DDO: Drawing and Disbursing Officer responsible for deducting and depositing TDS on behalf of a government office
  3. Challan: An official payment receipt used to deposit taxes with the government through authorised banks
  4. TCS: Tax collected at source by a seller from the buyer at the time of sale of specified goods or services
  5. TAN: A unique Tax Deduction and Collection Account Number required for all entities deducting or collecting tax at source
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FAQs

Government offices and authorised entities that use book adjustments to deposit TDS are required to quote the BIN when filing their TDS returns. It ensures correct reporting and tax credit mapping for deductees.

BIN ensures that the TDS deducted without a challan payment is reported correctly and credited. It helps taxpayers see the correct tax credit in Form 26AS and reduces uncertainty during return filing.

BIN details can be accessed through official tax platforms such as the TIN system by logging in, selecting the relevant financial year and quarter, and viewing TDS statements filed through book adjustments.

BIN improves transparency, accountability, and traceability in TDS reporting. It ensures proper verification of deductions, reduces mismatches, and helps both tax authorities and taxpayers manage compliance efficiently.

Disclaimer - This article is issued in the general public interest and meant for general information purposes only. The views expressed in this blog are solely those of the writer and do not necessarily reflect the official policy or position of Canara HSBC Life Insurance Company Limited or any affiliated entity. We make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability, or availability with respect to the blog or the information, products, services, or related graphics contained in the blog for any purpose. Any reliance you place on such information is therefore strictly at your own risk. You should consult with a qualified professional regarding your specific circumstances before taking any action based on the content provided herein.

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