An AIS / 26AS mismatch: what notice it usually signals
Updated 3 September 2026
The Annual Information Statement (AIS), the Taxpayer Information Summary (TIS) and Form 26AS are three views of the same underlying reporting. A mismatch between what they show and what the return declares is the single most common trigger for a follow-up from the department.
What each statement is
- Form 26AS — tax credits: TDS, TCS, advance tax and self-assessment tax paid, and specified high-value transactions.
- AIS — a wider feed of financial information reported by banks, registrars, mutual funds, employers and others (interest, dividends, securities transactions, property, etc.), with a facility to submit feedback on each item.
- TIS — a category-wise summary of AIS, showing the processed value the department will use.
Common mismatch causes
Interest income reported by a bank but omitted from the return; a sale of securities or property appearing in AIS at a gross value the taxpayer netted; TDS claimed in the return that is not yet in 26AS because the deductor filed late; the same income double-counted across AIS sources; or a PAN wrongly linked to someone else’s transaction.
What each pattern tends to precede
A modest, explainable gap usually surfaces first as an e-campaign / compliance-portal message inviting the taxpayer to reconcile or revise. A return already processed with a computed difference produces an intimation under Section 143(1). A larger or unexplained gap can lead to a notice under Section 142(1) (call for information) or 143(2) (scrutiny selection). Identifying which pattern you are looking at changes the response.
How Yogin AI helps
The CA workspace analyses an AIS / TIS / 26AS discrepancy and explains the likely notice type behind it — this is diagnostic. It does not auto-draft a reply to an income-tax notice; a CA prepares and files the response.