ITR Filing 2026-27: How to Check Form 26AS, AIS/TIS & Avoid Income Tax Notices (Complete Guide)
ITR Filing 2026-27: How to Check Form 26AS, AIS/TIS & Avoid Income Tax Notices (Complete Guide)
Introduction
ITR Filing for Assessment Year 2026-27 has officially started, and this year several important changes have been introduced by the Income Tax Department. Many taxpayers file their returns quickly without properly verifying Form 26AS, AIS, TIS, bank interest, or investment details. This can later result in refund delays or even income tax notices.
Earlier, taxpayers mainly depended on Form 16 for filing returns. But now the Income Tax Department receives detailed financial information from banks, employers, mutual funds, stock brokers, and other institutions.
Today, almost every major financial activity gets reported, including:
Salary income
Bank FD interest
Savings account interest
Mutual fund transactions
Share market transactions
Dividend income
Rental income
High-value transactions
That is why taxpayers must carefully verify all details before submitting their ITR.
In this article, you will learn:
What is Form 26AS?
What are AIS and TIS?
Difference between AIS and Form 26AS
How to avoid tax notices
What to verify before filing ITR
Common mistakes taxpayers make
This is a complete beginner-friendly guide written in simple English.
What is Form 26AS?
Form 26AS is your tax statement.
It contains details of taxes deposited against your PAN number.
This includes:
TDS deducted on salary
TDS deducted on FD interest
TDS on professional income
Advance tax payments
Self-assessment tax payments
Whenever an employer or bank deducts tax and deposits it with the government, it appears in Form 26AS.
Why is Form 26AS Important?
Many taxpayers skip checking Form 26AS before filing returns. This can create serious issues later.
For example:
TDS may not have been deposited properly
Wrong PAN may have been used
Employer may not have filed TDS return
Refund amount may become incorrect
If your TDS is missing in Form 26AS, you should wait before filing your ITR.
How to Check Form 26AS
Step-by-Step Process
Step 1:
Login to the Income Tax Portal
Step 2:
Go to:
e-File → Income Tax Returns → View Form 26AS
Step 3:
Select Assessment Year 2026-27
Step 4:
Choose “View as HTML”
Step 5:
Verify all TDS entries carefully
What are AIS and TIS?
AIS stands for:
Annual Information Statement
TIS stands for:
Taxpayer Information Summary
These are advanced reporting systems introduced by the Income Tax Department.
They contain detailed information about your financial transactions.
What Information Appears in AIS?
AIS may contain:
Savings account interest
FD interest
Dividend income
Mutual fund transactions
Share market transactions
Property transactions
Foreign remittances
GST-related information
High-value purchases
Earlier, many of these transactions were difficult for the department to track. But now most financial activities are automatically reported.
Why AIS is Extremely Important
Many taxpayers forget or intentionally skip reporting:
Bank interest
Stock market profits
Dividend income
Mutual fund gains
However, AIS already contains this information.
If your ITR does not match AIS data, you may receive a mismatch notice from the department.
What Should You Verify Before Filing ITR?
1. Verify Salary Income
Check whether your salary matches across:
Form 16
AIS
Bank statement
All values should match correctly.
2. Check Bank Interest
Many people forget to report savings account interest or FD interest.
But banks already report this information to the Income Tax Department.
3. Verify Mutual Funds and Shares
If you sold:
Stocks
Mutual funds
ETFs
then calculate capital gains properly.
Incorrect reporting can create future tax notices.
4. Match TDS Details
The TDS visible in Form 26AS should match the TDS claimed in your ITR.
5. Verify Refund Bank Account
Many taxpayers enter incorrect bank details.
Before submitting your return, verify:
Account number
IFSC code
Pre-validated bank account
Most Common ITR Filing Mistakes
1. Ignoring AIS
This is one of the biggest mistakes taxpayers make today.
2. Selecting the Wrong ITR Form
Many taxpayers file ITR-1 even when ITR-2 is applicable.
3. Hiding Interest Income
Bank interest is now automatically tracked and reported.
4. Not Checking TDS
This can delay your refund or increase tax demand.
5. Not Comparing Old vs New Tax Regime
Many taxpayers end up paying unnecessary extra tax.
How to Avoid Income Tax Notices
Follow these important rules:
✔ Check AIS Carefully
✔ Verify Form 26AS
✔ Match Bank Statements
✔ Choose Correct ITR Form
✔ Report All Income
✔ Preview Return Before Submission
New Tax Regime vs Old Tax Regime
If your total income is up to ₹12 lakh and you do not claim many deductions, the New Tax Regime may be beneficial.
However, if you claim deductions such as:
Home loan interest
80C investments
Health insurance
HRA
NPS deductions
then the Old Tax Regime may offer better savings.
Always compare both before filing.
How to Get Faster Tax Refunds
Important Tips
Link Aadhaar with PAN
Use pre-validated bank account
Verify IFSC code carefully
Complete e-verification immediately
Final Checklist Before Submission
Quick Checklist
✔ Form 16 Verified
✔ AIS Checked
✔ Form 26AS Matched
✔ Bank Interest Added
✔ Correct ITR Form Selected
✔ Tax Regime Compared
✔ Bank Details Verified
✔ Return Preview Checked
✔ E-Verification Completed
Conclusion
ITR Filing 2026-27 requires more careful verification than ever before.
The Income Tax Department now has advanced tracking systems that automatically collect financial data from multiple sources. Therefore, hiding income or filing incorrect information can become risky.
If you:
Check AIS properly
Verify Form 26AS
Select the correct ITR form
Choose the right tax regime
Match all income details
then you can safely file your return and avoid notices.
A properly filed ITR also becomes a strong financial document useful for loans, visas, and future financial planning.
FAQs
Q1. Is it necessary to check both AIS and Form 26AS?
Yes. Both serve different purposes and should be verified before filing ITR.
Q2. What happens if I do not report bank interest?
It may create a mismatch with AIS data and result in a notice.
Q3. Who can file ITR-1?
Individuals having salary, pension, simple interest income, and basic income sources within prescribed limits.
Q4. How long does it take to get a refund?
Usually between 7 to 30 days if the return is correctly filed and verified.
Q5. What if I file the wrong ITR form?
You may need to file a revised or updated return later.
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