You finally sit down to file your income tax return, documents in place, deadline looming. Then comes the moment that unsettles even seasoned taxpayers—your Annual Information Statement (AIS) and Form 26AS don’t match. Salary figures differ, TDS numbers don’t align, and interest income looks inconsistent. The immediate worry is obvious: will this trigger a tax notice?
This confusion is more common than most taxpayers realise. But the resolution lies in understanding a simple principle: AIS and Form 26AS serve different purposes, and they are not meant to mirror each other perfectly.
Form 26AS is essentially your official tax passbook. It records all taxes credited against your PAN—tax deducted at source (TDS), tax collected at source (TCS), and advance tax payments. This is the document the income tax system relies on to grant you credit. If a tax payment does not appear here, the system will not recognise it, regardless of what other documents show.
AIS, on the other hand, is far more expansive. It is the tax department’s consolidated view of your financial activity. Along with TDS details, it includes savings account interest, dividends, securities transactions, salary data reported by employers, and even high-value transactions flagged by financial institutions. In short, AIS is designed to ensure you do not miss reporting any income.
Given these distinct roles, mismatches are not just possible—they are expected.
Timing differences are a common cause. Financial institutions, employers, and other reporting entities submit data at different intervals. An entry may appear in AIS before it reflects in Form 26AS, or vice versa. Then there is income without TDS, such as savings account interest. Since no tax is deducted, it does not feature in Form 26AS, but it still appears in AIS as taxable income. Reporting errors also contribute—duplicate entries, incorrect allocations in joint accounts, or outdated records can distort AIS data.
The critical question, then, is how to proceed when faced with conflicting figures.
The answer lies in a two-part approach.
For income reporting, AIS should be treated as a reference point, not the final authority. It serves as a checklist of what the tax department knows about your financial activity. However, your actual income must be reported based on your own verified records—bank statements, Form 16, and investment proofs. If AIS shows an inflated or incorrect amount, you are expected to report the accurate figure, provided you can substantiate it if required.
For tax credits, however, Form 26AS is definitive. The income tax system grants credit strictly based on what is reflected in this document. Even if your salary slip or Form 16 indicates higher TDS, you can only claim what appears in Form 26AS at the time of filing. Any excess claim will likely trigger an automated demand notice.
This distinction is crucial. AIS guides what you should report as income; Form 26AS determines what credit you can safely claim.
In practice, handling a mismatch requires a structured approach. Start by reconciling each income source across AIS, Form 26AS, and your own records. This helps isolate the exact points of difference. If TDS is missing or lower in Form 26AS, the issue must be taken up with the deductor—typically your employer or bank—who will need to file a revised TDS return. Until the correction reflects, your claim must remain limited to the amount visible in Form 26AS.
If AIS shows income that is absent in Form 26AS, it is often legitimate income without TDS and must be reported. Ignoring such entries can lead to under-reporting notices. Where AIS contains incorrect or duplicate information, the portal allows you to submit feedback. This updates the derived values used for filing, but it does not amend the original data submitted by the reporting entity.
That distinction matters. Providing feedback in AIS is only a provisional correction from your side. The underlying error persists until the source institution revises its submission. Therefore, in cases of significant discrepancies, it is advisable to pursue both routes—submit feedback and request correction from the reporting entity.
Importantly, taxpayers should not delay filing their returns while waiting for such corrections. Filing based on accurate personal records within the due date is essential. Supporting documents should be retained to address any future queries from the tax department.
The takeaway is straightforward. AIS is a comprehensive information tool designed to prevent under-reporting of income. Form 26AS is the authoritative record for tax credits. Confusing their roles is what leads to errors and anxiety during filing.
Understanding this distinction allows taxpayers to approach discrepancies with clarity rather than concern. When used correctly, both documents complement each other—one ensures completeness, the other ensures compliance.
In a system increasingly driven by data matching and automation, precision matters. But so does perspective. Not every mismatch signals a problem; often, it simply reflects how different streams of financial data are consolidated.
File based on facts, rely on the right document for the right purpose, and the process becomes far less intimidating.