Section 133C Notice — Income Tax Verification Notice and How to Respond
A Section 133C notice from the Income Tax Department is a verification notice — issued when the department already has specific information about transactions, income, or investments relating to you and wants to verify it against your income tax return or determine why no income tax return has been filed. Inserted into the Income Tax Act, 1961 by the Finance Act, 2014 and operational from 1 October 2014, Section 133C empowers prescribed income tax authorities to require any person to furnish information or documents for the purpose of verification. Today, Section 133C is the legal backbone of the CBDT's e-Verification Scheme, 2021 and the Non-filer Monitoring System (NMS) — two data-driven compliance initiatives that cross-reference Annual Information Statement (AIS) data against income tax return filings and issue verification notices for significant mismatches or non-filing.
N D Savla & Associates, Chartered Accountants based in Mumbai, assists individuals, businesses, companies, trusts, and non-filers in responding to Section 133C verification notices and the closely related Section 133(6) information notices. A Section 133C notice is the Income Tax Department's earliest formal intervention in what may escalate into a full scrutiny assessment under Section 143(2) or a reassessment notice under Section 148. A precise, well-documented response at this stage can close the matter entirely — before any formal assessment proceeding begins.
A Section 133C verification notice is typically the earliest warning that the Income Tax Department has identified a mismatch between your financial activity as reported by third parties and your income tax return. If your AIS shows high-value cash deposits, large property purchases, substantial share investments, or unexplained foreign remittances that are not adequately reflected in your income tax return — or if you have not filed a return at all — a Section 133C notice is likely. Responding promptly, accurately, and with documentary support at this stage protects you from escalation to formal income tax proceedings.
Warning: A Section 133C notice is not a routine circular. It is an early-stage enforcement action. The Income Tax Department already has data about your transactions. A wrong response — or no response — triggers formal assessment or reassessment proceedings with far more serious consequences.
What Is a Section 133C Notice Under the Income Tax Act?
Section 133C of the Income Tax Act, 1961 empowers the Principal Director General of Income Tax (Systems) or other prescribed income tax authorities to require any person to furnish specific information or documents for the purpose of verifying information already in the authority's possession. The provision has three operative limbs:
- Section 133C(1): The prescribed authority issues a notice requiring the person to furnish information, documents, or a statement of financial transactions on or before the specified date
- Section 133C(2): The prescribed authority processes the information or documents received and makes the outcome of processing available to the Assessing Officer, who may then proceed to make an assessment or reassessment under the Income Tax Act
- Section 133C(3): The prescribed authority may use any information in its possession (including AIS, SFT, and other data) when processing the response
The key distinction of Section 133C is its purpose: verification of information already held by the Income Tax Department. The Section 133C notice does not open a formal assessment proceeding — it is a pre-assessment verification tool. However, the outcome of Section 133C processing directly determines whether the case is closed or escalated to formal income tax assessment or reassessment proceedings.
How Is Section 133C Different from Section 133(6) of the Income Tax Act?
Section 133(6) is the older, broader information-gathering provision of the Income Tax Act. It empowers any income tax authority — including regular Assessing Officers — to require any person (including third parties such as banks, employers, tenants, and buyers of property) to furnish information or documents for the purposes of any investigation or inquiry relating to any assessee. Section 133(6) is routinely used:
- During scrutiny assessments to gather documents from the taxpayer beyond the initial submission
- To require third parties such as banks to provide account statements of specific taxpayers
- To require employers to provide salary and perquisite details of specific employees under income tax inquiry
- To require buyers of property to confirm consideration paid to a specific seller-taxpayer
- During investigation and search proceedings to gather third-party information
The critical difference: Section 133C is issued by specifically prescribed higher authorities for verification purposes and triggers a processing mechanism that feeds into assessment. Section 133(6) is issued by any income tax authority for any investigation or inquiry purpose. Both are income tax information notices but operate at different institutional levels and for different purposes.
What Transactions Trigger a Section 133C Verification Notice?
Section 133C notices are triggered by specific high-value or risk-flagged transactions appearing in the AIS or SFT data of the Income Tax Department that are not adequately matched by income declared in the taxpayer's income tax return. Common triggers include:
- Cash deposits above Rs. 10 lakh in savings accounts in a financial year — reported by banks in SFT
- Property purchase above prescribed SFT threshold not matching the purchaser's declared income or investment source
- Fixed deposit bookings above Rs. 10 lakh with banks — reported in SFT
- Purchase of shares, mutual funds, or bonds above prescribed SFT thresholds
- Foreign remittances above prescribed amounts received in Indian NRO/NRE accounts — reported by banks
- GST turnover significantly exceeding income declared in the income tax return
- High-value credit card payments reported by banks in SFT not matching income disclosure
- Non-filer status in NMS where AIS shows income-generating transactions with no income tax return filed for the relevant assessment year
- Cash receipts or payments reported by sub-registrars, stockbrokers, or NBFCs in SFT data
Note: Section 133C notices under the e-Verification Scheme are issued for specific financial years based on AIS data. You may receive multiple notices — one per flagged financial year. Respond to each notice separately, matching each transaction to the correct year's income tax return.
The e-Verification Scheme, 2021 — How Section 133C Notices Work Today
The e-Verification Scheme, 2021, notified by the CBDT under Section 133C(2) of the Income Tax Act, is the primary operational framework through which Section 133C verification notices are issued and responded to today. The scheme standardises the process of verifying AIS mismatches, ensures uniformity of treatment across taxpayers, and creates a digital trail from the initial verification notice to the final outcome (closure or escalation to formal proceedings).
Non-Filer Monitoring System (NMS)
The CBDT's Non-filer Monitoring System (NMS) is a data analytics initiative that identifies persons who have undertaken high-value financial transactions reflected in AIS or SFT data but have not filed income tax returns for the relevant assessment year. The NMS cross-references SFT data from banks, sub-registrars, stockbrokers, mutual fund houses, and other reporting entities, identifies persons with profiles suggesting taxable income above the basic exemption limit, and generates Section 133C verification notices. NMS notices require the recipient either to file their income tax return for the relevant year or to explain why the transactions do not create a tax liability. Continued non-response to NMS notices leads to the Income Tax Department initiating formal proceedings. Proper ITR filing for all years in which income was earned is the most effective defence against NMS Section 133C notices.
e-Verification of High-Value AIS Transaction Mismatches
For persons who have filed income tax returns but where the AIS data shows specific transactions not reconciling with the return, the e-Verification Scheme generates Section 133C notices through the compliance portal on the income tax portal. The taxpayer is shown each specific transaction flagged by the Income Tax Department and must respond to each one. The prescribed response options under the e-Verification Scheme are:
- Information is correct and has been included in my income tax return for the relevant assessment year
- Information relates to another person — PAN error or mis-seeding in third-party reporting
- Transaction pertains to a different financial year and is already accounted for in the income tax return for that year
- Amount partially reflected in income tax return and balance requires explanation
- Transaction is exempt from income tax (agricultural income, LTCG within exemption limit, etc.) and correctly not included
- The information is denied — the transaction did not occur or does not relate to me
How to Respond Through the Income Tax Compliance Portal
All responses to Section 133C e-Verification notices are submitted through the income tax portal at incometax.gov.in. Log in ? Pending Actions ? Compliance Portal ? e-Verification. Review each flagged transaction, select your response category, upload supporting documents (bank statements, sale deed, investment account statement, Form 26AS, etc.), and submit. The portal issues an acknowledgement for each response. After the prescribed authority processes your response, you receive a closure communication if the matter is resolved or a communication about escalation if formal income tax proceedings are to be initiated. All documentation submitted at the e-Verification stage becomes available to the Assessing Officer if the matter proceeds.
Section 133(6) Notices — What You Need to Know
Section 133(6) of the Income Tax Act, 1961 is the general provision that empowers income tax authorities to call for information from any person — whether the taxpayer themselves or a third party — for the purpose of investigation or inquiry relating to an assessee. It is distinct from Section 133C in its operational scope, the authority that can issue it, and the entities to whom it can be directed.
Section 133(6) Issued to the Taxpayer During Income Tax Assessment
During a scrutiny assessment under Section 143(2) or a reassessment proceeding under Section 147, the Assessing Officer frequently issues Section 133(6) notices to the taxpayer for specific information beyond what has been submitted in the initial questionnaire response. Typical Section 133(6) requests to the taxpayer include: complete bank statements for specific accounts and periods; ownership documentation for specific assets; details of specific transactions not explained in the assessment questionnaire; copy of specific contracts or agreements; and information about related-party transactions and their commercial rationale.
Section 133(6) Issued to Third Parties About the Taxpayer
One of the most significant features of Section 133(6) is its reach to third parties. The Assessing Officer can issue Section 133(6) notices directly to banks, employers, buyers, tenants, debtors, and other entities to gather information about a specific taxpayer without the taxpayer's prior knowledge or consent. Common third-party Section 133(6) notices include:
- To banks: full account statements, loan disbursement details, fixed deposit records, and locker operation details for a specific customer
- To employers: salary, allowances, perquisites, and other benefits paid to a specific employee with TDS deduction details
- To tenants: rent paid to a landlord-taxpayer and whether TDS was deducted under Section 194-I
- To property buyers: consideration paid to a specific seller and mode of payment
- To stockbrokers: details of buy and sell transactions executed for a specific client in a specific period
- To mutual fund houses: purchase and redemption details for a specific investor
Responding to a Section 133(6) Notice
Whether received by the taxpayer directly or by a third party, a Section 133(6) notice must be responded to within the time specified in the notice — typically 7 to 30 days. The response must be accurate and complete. For third parties such as banks and employers, the obligation to provide information under Section 133(6) overrides any confidentiality obligation to their customer or employee. Failure to respond to a Section 133(6) notice without reasonable cause attracts a penalty under Section 272A(2) of the Income Tax Act at Rs. 500 per day of default. Proper TDS Return Filing and TDS reconciliation maintained year-round significantly reduces the scope and complexity of Section 133(6) queries in income tax proceedings.
Who Receives Section 133C and Section 133(6) Notices?
Section 133C and Section 133(6) notices can be received by a wide range of taxpayers, non-filers, and third parties. The most common recipient categories are:
Non-Filers Identified Through AIS and NMS
Persons who have not filed income tax returns but whose AIS shows high-value financial transactions — large property purchases, substantial cash deposits, significant share or mutual fund activity, or foreign remittances — are the primary targets of NMS-driven Section 133C notices. The Income Tax Department's NMS cycle now covers multiple assessment years, and non-filers from several years ago may receive Section 133C notices for those years. Filing overdue income tax returns with accurate income disclosure is the most effective response to NMS Section 133C notices.
Return Filers with Undisclosed or Mismatched Transactions
Taxpayers who have filed income tax returns but whose AIS reflects transactions not reconciled in the return receive Section 133C e-Verification notices. This includes salary-income filers who did not declare interest income or dividend income reflected in AIS, and business taxpayers whose GST turnover significantly exceeds the turnover declared in the income tax return. In every case, the Income Tax Department already has the transaction data — the Section 133C notice is asking the taxpayer to explain the difference, not discover it.
Banks and Financial Institutions as Third-Party Recipients
Banks, NBFCs, stockbrokers, mutual fund houses, and insurance companies frequently receive Section 133(6) notices from Assessing Officers during income tax investigations or assessments. These entities are legally obligated to respond with complete and accurate information. They typically maintain internal compliance teams that handle Section 133(6) responses, but the information provided directly impacts the taxpayer whose affairs are being investigated.
NRIs and Foreign Asset Holders
Non-resident Indians with Indian financial accounts, Indian property, or Indian investments receive Section 133C notices when their AIS shows transactions not matched to income tax returns filed for the relevant assessment year. NRIs who received large credits in NRO or NRE accounts, sold Indian property, or received dividends and rental income from Indian assets without filing income tax returns are among the most common NRI recipients of Section 133C verification notices from the Income Tax Department.
How Sections 133C and 133(6) Have Evolved in India — Historical Background
Pre-2014 — Only Section 133(6) for Information Gathering
Before the Finance Act, 2014, Section 133(6) was the only provision for information gathering available to income tax authorities. Its use was reactive — invoked during assessment or investigation proceedings after a return was selected. There was no systematic, data-driven mechanism for pre-assessment verification of third-party financial data. Non-filers largely escaped detection unless the Income Tax Department had specific intelligence about them. The tools for identifying high-value non-filers that are common today simply did not exist.
2014 — Finance Act Introduces Section 133C
The Finance Act, 2014 inserted Section 133C into the Income Tax Act with effect from 1 October 2014. This new provision recognised the growing volume of financial data available to the Income Tax Department through mandatory SFT/AIR filings by banks, sub-registrars, stockbrokers, and other reporting entities, and created a targeted legal mechanism for verifying this data before formal assessment. Section 133C gave designated high-level authorities the power to issue verification notices and process responses independently of regular assessment proceedings.
2021 — e-Verification Scheme Operationalises Section 133C
The CBDT notified the e-Verification Scheme, 2021 under Section 133C(2), which operationalised Section 133C at scale for the first time. The scheme created a standardised, portal-based process for issuing Section 133C notices, receiving responses, and processing them through defined categories. The e-Verification Scheme 2021 also significantly expanded the NMS programme, generating Section 133C notices for non-filers across multiple assessment years simultaneously. This was a landmark in data-driven tax compliance enforcement in India.
Present — AIS-Driven, Algorithmic Verification at Scale
Today, Section 133C verification notices are generated algorithmically by the CBDT's IT systems based on AIS mismatches and NMS flags. The integration of banking data, GST data, SFT filings, and foreign financial account information through FATCA/CRS into the AIS has made the Income Tax Department's information base far richer than ever before. Crores of Section 133C and e-Verification notices are generated every compliance cycle. The only effective protection against receiving — or being unable to respond to — a Section 133C notice is proactive AIS review and accurate, complete income tax return filing every year.
How to Respond to a Section 133C or Section 133(6) Notice — 7-Step Process
Your response to a Section 133C or Section 133(6) notice determines whether the matter is resolved at the verification stage or escalates to formal income tax proceedings. Every step counts:
- Identify the Exact Provision and Issuing Authority. First determine whether you have received a Section 133C notice (issued by the prescribed authority such as PDGIT Systems, visible on the income tax portal under e-Proceedings or Compliance Portal) or a Section 133(6) notice (issued by your jurisdictional Assessing Officer, often during an ongoing assessment). The response mechanism, portal path, and implications differ. Section 133C notices are responded to through the Compliance Portal. Section 133(6) notices are responded to directly to the issuing AO through the e-Proceedings section of the income tax portal.
- Download and Review Your Full Annual Information Statement.
- Reconcile Each Flagged Transaction with Your Income Tax Return. For each transaction flagged in the Section 133C notice or e-Verification communication, check your income tax return for the relevant assessment year. Identify whether the transaction is reflected in the return (under which head of income), whether it is exempt and correctly excluded, whether it relates to a different year already covered, or whether it was genuinely missed in the original return. This reconciliation must be done transaction by transaction — a general explanation is not accepted by the Income Tax Department.
- Gather Documentary Evidence for Every Transaction. For each transaction you intend to explain or substantiate, gather documentary evidence. For cash deposits: prior withdrawals, loan receipts, or sale proceeds that funded the deposit. For property purchases: sale agreement, registration documents, and source of funds. For share investments: contract notes, demat statements, and source of funds. For AIS income not in return: bank credit advice, dividend warrants, interest certificates. The Income Tax Department already has the transaction data — your documents must establish the nature, source, or character of the transaction.
- Consult a Chartered Accountant and Prepare Your Response. The framing of your Section 133C response requires care. Admitting to income not declared without simultaneously filing or revising the income tax return creates an inconsistency that can be used adversely. Denying a transaction that the Income Tax Department has clear data about invites adverse inference. N D Savla & Associates advises on the precise response category for each transaction, prepares the complete response with supporting documents, and files or revises income tax returns where required. Our Virtual CFO service maintains year-round AIS monitoring so that clients are aware of every transaction in their AIS before the Income Tax Department flags it.
- Submit Response Through the Compliance Portal or to the AO. For Section 133C e-Verification notices: log in to incometax.gov.in ? Pending Actions ? Compliance Portal ? e-Verification. For each flagged transaction, select the appropriate response category, provide your explanation, and upload supporting documents. Submit and download the acknowledgement. For Section 133(6) notices: log in to incometax.gov.in ? e-Proceedings ? Select the notice ? Submit response with supporting documents. Retain all submission acknowledgements — these are your only proof of compliance in a fully digital system.
- File or Revise Your Income Tax Return if Required. If the Section 133C notice reveals that income was genuinely omitted from your income tax return, the most effective response is to file a revised income tax return (within the time allowed under Section 139(5)) or, if the time for revision has expired, to address the omission transparently in your Section 133C response and understand the exposure. Filing a revised return with full income disclosure before the Income Tax Department escalates to a formal Section 143(1)(a) adjustment or formal assessment significantly reduces the penalty exposure and demonstrates compliance intent. Our Income Tax Audit team can assess the income tax impact of any disclosure and advise on the correct course of action.
Warning: Do not submit a Section 133C response saying "information is correct and included in my return" if it is not. The Income Tax Department will verify your response against the actual income tax return. A false response creates a paper trail of deliberate misrepresentation that significantly worsens your position if formal proceedings follow.
Consequences of Not Responding to a Section 133C or Section 133(6) Notice
Non-response to a Section 133C or Section 133(6) notice is one of the most avoidable mistakes a taxpayer or third party can make. The consequences escalate progressively:
- Section 133C non-response: the prescribed authority processes available information without the taxpayer's explanation and passes the outcome to the Assessing Officer, who initiates formal assessment or reassessment proceedings on the basis of adverse inference
- NMS non-response: the Income Tax Department treats the person as a wilful non-filer and refers the case for formal proceedings under Section 148 for reassessment or under Section 144 for best-judgment assessment
- Section 133(6) non-response: attracts a penalty under Section 272A(2) of the Income Tax Act at Rs. 500 per day of default, and the AO draws adverse inference in the assessment proceeding from the failure to produce the requested information
- Persistent non-response across multiple notices: can trigger prosecution proceedings under Section 276D of the Income Tax Act for wilful failure to produce accounts or documents required by the Income Tax Department
Note: The Income Tax Department's compliance portal tracks response and non-response to every Section 133C e-Verification notice. Non-response is automatically flagged in the system and triggers escalation without any further human decision being required.
Why Choose N D Savla & Associates for Section 133C and 133(6) Notice Response?
Responding to a Section 133C or Section 133(6) notice requires not just factual accuracy but an understanding of what the Income Tax Department already knows, what the correct legal characterisation of the transaction is, and what response best protects the taxpayer's position. N D Savla & Associates brings all three to every verification notice matter.
Understanding What the Income Tax Department Already Has
Our first step in every Section 133C notice matter is a complete AIS review. We download and analyse the client's full Annual Information Statement, identify every transaction the Income Tax Department can see, reconcile it with the filed income tax return, and identify every potential vulnerability before any response is submitted. This comprehensive pre-response analysis prevents inadvertent admissions and ensures our clients respond from a position of full awareness.
Correct Legal Characterisation of Every Transaction
Not every transaction in the AIS is taxable. Agricultural income, gifts from specified relatives, insurance maturity proceeds, LTCG within exemption limits, amounts exempt under DTAAs, and transactions relating to capital receipts are all non-taxable despite appearing in the AIS. Our team identifies the correct legal characterisation of each flagged transaction and ensures the response clearly establishes the non-taxability or already-declared status of each item.
Seamless Filing and Revision of Income Tax Returns
Where a Section 133C notice reveals a genuine omission from the income tax return, we handle the filing of revised returns or belated returns simultaneously with the preparation of the verification notice response. This integrated approach — responding to the notice and correcting the return together — provides the strongest possible protection against penalty and prosecution.
Complete Income Tax Notice Lifecycle Management
Many Section 133C matters escalate into formal scrutiny assessments or reassessment notices. N D Savla & Associates handles the complete income tax notice lifecycle — from the initial Section 133C verification notice through Section 143(2) scrutiny assessment, Section 148 reassessment, Commissioner (Appeals), and ITAT — with the same team that handled the original notice maintaining continuity throughout the proceedings.
Pan-India Digital Notice Response Service
All Section 133C responses, revised income tax returns, and Section 133(6) submissions are filed digitally through the income tax portal. We serve clients across Mumbai, Pune, Delhi NCR, Bengaluru, Chennai, Hyderabad, Ahmedabad, and other cities entirely remotely — without requiring any physical visit to our office.
Frequently Asked Questions About Section 133C and Section 133(6) Notices
Is a Section 133C notice the same as a scrutiny notice under Section 143(2)?
No. A Section 133C notice is a pre-assessment verification notice issued by a prescribed income tax authority for the purpose of verifying specific information. It does not initiate a formal income tax assessment proceeding. A
Section 143(2) scrutiny notice, on the other hand, initiates a formal scrutiny assessment requiring the taxpayer to substantiate their entire income tax return (or specific issues in Limited Scrutiny) before an Assessing Officer, culminating in a formal assessment order under Section 143(3). However, a Section 133C notice that is not adequately responded to can lead to the issuance of a Section 143(2) scrutiny notice or a Section 148 reassessment notice.
What happens if I ignore a Section 133C verification notice?
If you do not respond to a Section 133C notice through the compliance portal within the prescribed time, the prescribed income tax authority processes the available information without your explanation and forwards the outcome to the Assessing Officer. The Assessing Officer then typically initiates formal assessment or reassessment proceedings based on adverse inference from the unresponded transaction. For NMS-driven Section 133C notices to non-filers, non-response results in the Income Tax Department treating the person as a wilful non-filer and initiating best-judgment assessment under Section 144 or reassessment under Section 148.
How long do I have to respond to a Section 133C or Section 133(6) notice?
For Section 133C e-Verification notices under the e-Verification Scheme, the response window is specified in the notice — typically 15 to 30 days from the date of issue. You can check and respond through the Compliance Portal on the income tax portal. For Section 133(6) notices, the time limit is also specified in the notice itself, typically 7 to 30 days. In both cases, if you need additional time to gather documents, it is advisable to request an extension from the relevant authority before the deadline, explaining the reason. Requests for extension should be made through the portal wherever possible.
Can the Income Tax Department use my Section 133C response against me in formal assessment?
Yes. Under Section 133C(2), the outcome of processing your response is made available to the Assessing Officer, who may use it in making an assessment or reassessment under the Income Tax Act. This means that anything you state in your Section 133C response — including admissions, explanations, and the documents you upload — becomes part of the income tax record and can be used in subsequent formal proceedings. This is why professional guidance in framing the Section 133C response is critical. An accurate, well-framed response protects your position; an inconsistent or misleading response can seriously damage it.
I have not filed my income tax return and received a Section 133C notice. What should I do?
If you have not filed income tax returns for the relevant assessment year and have received a Section 133C notice as part of the NMS programme, the most effective course of action is to immediately file the overdue income tax return with complete and accurate income disclosure, and simultaneously submit a response to the Section 133C notice through the compliance portal indicating that the income tax return has now been filed. Filing the return voluntarily before formal proceedings are initiated — even if the income tax return is belated — significantly reduces your exposure to penalty under Section 270A for under-reporting and to prosecution under Section 276CC for wilful failure to furnish the return. N D Savla & Associates handles overdue income tax return filing and concurrent Section 133C responses as an integrated service.
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