🔄 Effective April 1, 2026

Form 121: Complete Guide
Replaces Form 15G & 15H

Everything you need to know about the new unified TDS exemption form under Income Tax Act 2025. Learn eligibility, filing process, UIN system & key changes.

Published: April 30, 2026 • 20 min read

Critical Update for All Bank FD Holders!

From April 1, 2026, Form 15G and Form 15H no longer exist. They have been replaced by a single unified Form 121 under the Income Tax Act 2025. If you previously filed Form 15G/15H to avoid TDS, you MUST submit fresh Form 121 for Tax Year 2026-27. Old forms DO NOT carry forward!

What is Form 121?

Form 121 is the new unified self-declaration form under Section 393(6) of the Income Tax Act 2025 that allows resident taxpayers to prevent TDS deduction on interest, dividends, and other incomes when their total tax liability is zero.

For decades, taxpayers used two different forms to avoid TDS:

  • Form 15G: For individuals below 60 years
  • Form 15H: For senior citizens aged 60 years and above

This dual-form system created confusion about eligibility, documentation, and submission. The Income Tax Act 2025 simplifies this by consolidating both forms into a single Form 121 applicable to all eligible taxpayers regardless of age.

❌ Old System (Till March 31, 2026)

Two Different Forms:

  • Form 15G: Age < 60 years
  • Form 15H: Age ≥ 60 years

Issues:

  • Age-based confusion
  • Different eligibility rules
  • Separate UIN systems
  • Complex for payers

✅ New System (From April 1, 2026)

One Unified Form:

  • Form 121: ALL eligible residents
  • No age-based distinction

Benefits:

  • Single form for everyone
  • Unified eligibility rules
  • Smart UIN system
  • Simpler for payers
  • Better tax department tracking

Key Point

Form 121 serves the same purpose as Form 15G/15H — preventing TDS when your total tax liability is zero. Only the form name and structure have changed. The fundamental concept remains identical.

Legal Basis: Section 393(6) of Income Tax Act 2025

Under the old Income Tax Act 1961, Forms 15G and 15H were governed by Section 197A.

Under the new Income Tax Act 2025, the provision has been renumbered to Section 393(6), which states:

"A recipient of income may furnish a written declaration in Form 121 to the payer that the tax on his estimated total income of the tax year will be nil."

Section 393(6) is part of the comprehensive Section 393, which consolidates all TDS provisions under the new Act.

Who Can File Form 121?

Eligible Persons

Form 121 can be filed by:

  • Resident Individuals (any age) — if total tax liability is zero
  • Hindu Undivided Families (HUFs) — if total tax liability is zero

NOT eligible:

  • ❌ Non-Resident Indians (NRIs)
  • ❌ Companies
  • ❌ Partnership Firms / LLPs
  • ❌ Trusts
  • ❌ Any other entity

Critical Eligibility Condition: Zero Tax Liability

The most important eligibility criterion is that your estimated total tax liability for the tax year must be NIL.

This means:

  • Your total income is below the basic exemption limit, OR
  • Your total tax after deductions/rebates is zero

Important for Below-60 Taxpayers

New Restriction (Effective April 1, 2026):

For individuals below 60 years, there is an aggregate income ceiling. Even if your final tax is zero due to Section 87A rebate, you CANNOT file Form 121 if your total income exceeds the basic exemption limit.

Example:

Total Income: ₹7,00,000
Tax computed: ₹15,000
Less: Section 87A rebate: ₹15,000
Final tax: ₹0

Can you file Form 121?

❌ NO — because total income (₹7L) exceeds basic exemption limit (₹4L)

This restriction does NOT apply to senior citizens (60+)

Income Thresholds for Form 121

Category Age Basic Exemption Limit Can File Form 121 If...
Individual Below 60 years ₹4,00,000 (New Regime)
₹2,50,000 (Old Regime)
Total income ≤ Basic exemption
Senior Citizen 60 to 80 years ₹3,00,000 (Old Regime)
₹4,00,000 (New Regime)
Total tax liability = Nil
Super Senior Citizen Above 80 years ₹5,00,000 (Old Regime)
₹4,00,000 (New Regime)
Total tax liability = Nil
HUF N/A ₹4,00,000 (New Regime)
₹2,50,000 (Old Regime)
Total income ≤ Basic exemption

Incomes Covered Under Form 121

You can submit Form 121 to prevent TDS on the following types of income:

Income Type Description TDS Section (Old Act) TDS Threshold
Interest on Securities Bonds, debentures, government securities Section 193/ Section 393 ₹10,000/year
Dividends From Indian companies Section 194Section 393 NIL
Interest (Banks/Post Office) FD interest, RD interest, savings account Section 194A/Section 393 ₹50,000/year
(₹1,00,000 for seniors)
Units of Mutual Funds Income from units of specified mutual funds Section 194K/Section 393 NIL
NSS/NSC Interest National Savings Schemes Section 193 ₹10,000/year/Section 393
Life Insurance Maturity Taxable portion of LIC maturity Section 194DA ₹1,00,000/Section 393
Compensation on Land Acquisition Enhanced compensation Section 194LA/Section 393 ₹2,50,000
EPF Withdrawal Premature EPF withdrawal Section 192A/Section 392 ₹50,000

Important Restriction for HUFs

HUFs CANNOT file Form 121 for dividend income. This restriction existed in Form 15G and continues under Form 121.

How to File Form 121: Step-by-Step Process

Filing Form 121 is simple and can be done either online (if your bank/payer offers it) or offline (physical submission).

Method 1: Online Filing (Recommended)

1
Check Eligibility

Ensure your estimated total income for Tax Year 2026-27 will result in ZERO tax liability.

2
Log in to Bank's Online Portal

Most banks now offer Form 121 submission through net banking:

  • SBI: Internet Banking → e-Services → Form 121
  • HDFC: NetBanking → Request → Tax Forms → Form 121
  • ICICI: iMobile/Net Banking → Service Request → Form 121
  • Axis: Internet Banking → Service Requests → Form 121
3
Fill Part A: Declarant Details

Provide the following information:

  • Name: As per PAN card
  • PAN: 10-digit PAN (mandatory)
  • Residential Status: Resident
  • Address: Current residential address
  • Email & Mobile: Active contact details
  • Aadhaar Number: (if applicable)
  • Tax Year: 2026-27
  • Estimated Total Income: Your total income estimate
  • Income Details: Select applicable income types (interest/dividend/etc.)
4
Declaration

Check the declaration box confirming:

  • Tax on my estimated total income will be nil
  • Information provided is true and correct
  • I understand the provisions of Section 393(6)
5
Submit Form

Click Submit. The system will:

  • Validate your PAN and details
  • Generate a Unique Identification Number (UIN)
  • Send confirmation email/SMS with UIN
6
Download Acknowledgment

Save the acknowledgment PDF for your records. It contains:

  • Form 121 filled details
  • UIN number
  • Submission date and time
  • Bank reference number

Method 2: Offline/Physical Submission

Step 1: Download Form 121

Download from Income Tax Department website: www.incometax.gov.in/iec/foportal/

Or get a physical copy from your bank branch

Step 2: Fill Part A

Fill all fields in Part A manually with blue/black pen

Ensure handwriting is clear and legible

Step 3: Sign the Form

Sign in the designated space

For HUF: Karta must sign

Step 4: Submit to Bank/Payer

Visit bank branch and submit to Fixed Deposit department

Submit separate forms to each payer (if you have FDs in multiple banks)

Step 5: Collect Acknowledgment

Bank will fill Part B and assign UIN

Collect stamped acknowledgment copy

Understanding the UIN System

One of the smartest improvements in Form 121 is the Unique Identification Number (UIN) system.

What is UIN?

UIN is a unique code assigned to each Form 121 declaration. It contains:

  • PAN: Your 10-digit PAN
  • Tax Year: 2026-27
  • Sequential Number: Running number for that payer

Format: ABCDE1234F-2026-27-001

Why it matters:

  • ✅ Easy tracking by Income Tax Department
  • ✅ No duplicate UIINs across payers
  • ✅ Links to your PAN automatically
  • ✅ Quoted in quarterly TDS statements (Form 140)
  • ✅ Better audit trail

Old System vs New System: UIN Generation

Old System (Form 15G/15H):

Each bank generated separate UINs. Same PAN + Same year could have different UIINs at different banks, causing tracking issues.

New System (Form 121):

Centralized UIN structure ensures consistency. The UIN format is standardized and links directly to Income Tax Department database.

When to Submit Form 121

Critical Timing Rule: Form 121 must be submitted BEFORE the income is credited or paid.

Income Type When to Submit Why
Bank FD Interest Before March 31 (year-end) or before quarterly interest credit Interest is credited quarterly/annually. TDS is deducted at credit time.
Savings Account Interest Before March 31 Interest credited once a year on March 31
Dividend Before dividend payment date TDS deducted when dividend is paid
EPF Withdrawal Before submitting withdrawal request TDS calculated at withdrawal processing time
Insurance Maturity At least 15 days before maturity date Gives insurance company time to process

Best Practice

Submit Form 121 in early April (first week) for the entire Tax Year 2026-27. This ensures no TDS is deducted throughout the year. If you submit after interest is credited, TDS will already be deducted and you'll need to claim refund via ITR.

Form 121 Structure: Part A & Part B

Part A: To be filled by the Declarant (You)

Fields to fill:

Field 1: Name of Declarant
Field 2: PAN (Mandatory)
Field 3: Status (Individual / HUF)
Field 4: Residential Status (Resident)
Field 5: Complete Address
Field 6: Email ID
Field 7: Mobile Number
Field 8: Aadhaar Number (Optional)
Field 9: Tax Year (2026-27)
Field 10: Estimated Total Income for the Tax Year
Field 11: Income details with respect to which declaration is being made (tick applicable boxes)
Field 12: Verification, Place, Date, Signature

Part B: To be filled by the Payer (Bank/Company)

The payer fills:

  • Unique Identification Number (UIN): Generated by payer
  • Name and Address of Payer
  • PAN of Payer
  • TAN of Payer (if applicable)
  • Date of Receipt of Form 121
  • Acknowledgment Number

Key Changes from Form 15G/15H to Form 121

Aspect Form 15G / 15H (Old) Form 121 (New)
Number of Forms Two separate forms (15G and 15H) ✅ One unified form
Age Distinction 15G for <60, 15H for ≥60 ✅ No age-based distinction
Legal Provision Section 197A (IT Act 1961) ✅ Section 393(6) (IT Act 2025)
UIN System Separate UIINs per payer ✅ Standardized UIN with PAN-Tax Year-Serial
Online Filing Limited bank support ✅ Most banks offer online submission
Aadhaar Field Not mandatory ✅ Optional but recommended
Quarterly Reporting Form 26AS ✅ Form 140 (quarterly TDS statement)
Validity One financial year ✅ One tax year (same duration)
Eligible Entities Individuals, HUFs ✅ Same (Individuals, HUFs)
Income Ceiling (Below 60) Could file if rebate makes tax zero ⚠️ CANNOT file if income > basic exemption (even if rebate makes tax zero)

Common Scenarios & Examples

Example 1: Senior Citizen with FD Interest

Profile:

  • Mr. Sharma, age 65
  • Retired, no other income
  • FD interest: ₹95,000/year
  • Total income: ₹95,000

Analysis:

Basic exemption: ₹4,00,000
Total income: ₹95,000
Tax liability: Nil

Can file Form 121? ✓ YES

Action: Submit Form 121 to bank in early April 2026 to prevent TDS on FD interest throughout the year.

Example 2: Homemaker with Multiple FDs

Profile:

  • Mrs. Verma, age 42
  • Homemaker, no salary
  • FDs in 3 banks: SBI, HDFC, ICICI
  • Total FD interest: ₹2,80,000/year

Analysis:

Basic exemption (New Regime): ₹4,00,000
Total income: ₹2,80,000
Tax liability: Nil

Can file Form 121? ✓ YES

Action: Submit separate Form 121 to each of the 3 banks (SBI, HDFC, ICICI). One form per payer.

Example 3: Young Professional (CANNOT File)

Profile:

  • Mr. Anil, age 28
  • Software engineer
  • Salary: ₹6,50,000/year
  • FD interest: ₹45,000/year
  • Total income: ₹6,95,000

Tax Calculation (New Regime):

Taxable income: ₹6,95,000
Tax computed: ₹14,750
Less: Section 87A rebate: ₹14,750
Final tax: ₹0

Can file Form 121? ✗ NO

Why? Total income (₹6,95,000) exceeds basic exemption limit (₹4,00,000). Even though final tax is zero due to rebate, Form 121 cannot be filed by individuals below 60 with income > basic exemption.

Result: Bank will deduct TDS. Mr. Anil must file ITR and claim refund.

Example 4: EPF Withdrawal

Profile:

  • Ms. Rani, age 35
  • Resigned from job
  • EPF withdrawal: ₹4,50,000 (less than 5 years of service)
  • No other income for Tax Year 2026-27

Analysis:

Total income: ₹4,50,000
Basic exemption: ₹4,00,000

Can file Form 121? ✗ NO

Why? Income exceeds basic exemption limit.

Alternative: Can apply for lower TDS certificate under Section 395(1) (old Section 197) if actual tax rate is lower than 10%.

Important Points to Remember

Critical Do's and Don'ts

  • Submit fresh Form 121: Old Form 15G/15H does NOT automatically convert to Form 121
  • One form per payer: If you have FDs in 3 banks, submit 3 separate Form 121s
  • Submit BEFORE interest credit: If you submit after, TDS will already be deducted
  • PAN is mandatory: Form 121 cannot be processed without valid PAN
  • Check eligibility annually: Re-assess every year before submitting
  • Keep acknowledgment: Save the UIN and acknowledgment for records
  • Accurate income estimate: Declare realistic total income — mismatches can be flagged
  • HUFs cannot use for dividends: Restriction continues from Form 15G

What Happens If You Don't File Form 121?

If you are eligible but do NOT submit Form 121:

  • ❌ The payer (bank/company) will deduct TDS as per applicable rates
  • ❌ 10% TDS will be deducted on FD interest (if > ₹50,000 for below-60, or > ₹1,00,000 for seniors)
  • ❌ You will receive net interest (after TDS deduction)
  • ✅ TDS will be reflected in Form 140 (quarterly TDS statement)
  • ✅ You can claim TDS refund when filing ITR
  • ⏳ Refund may take 3-6 months to be processed

TDS Impact Example

Without Form 121:

FD Interest: ₹80,000
TDS @ 10%: ₹8,000
Amount credited: ₹72,000

With Form 121:

FD Interest: ₹80,000
TDS: ₹0
Amount credited: ₹80,000

Benefit: You get ₹8,000 immediately instead of waiting 6 months for refund!

Transition from Form 15G/15H to Form 121

For Tax Year 2025-26 (Ending March 31, 2026)

  • ✅ If you submitted Form 15G/15H for FY 2025-26, it remains valid till March 31, 2026
  • ✅ Banks will honor those forms for the entire FY 2025-26
  • ✅ No need to submit Form 121 for FY 2025-26

For Tax Year 2026-27 (Starting April 1, 2026)

  • ⚠️ You MUST submit fresh Form 121 for Tax Year 2026-27
  • ⚠️ Old Form 15G/15H will NOT carry forward
  • ⚠️ If you don't submit Form 121, TDS will be deducted from April 2026 onwards

Action Required: April 2026

Every taxpayer who previously filed Form 15G/15H must proactively submit Form 121 afresh to each payer for Tax Year 2026-27. Silence or continuation of old forms does NOT carry forward. This is a NEW declaration under a NEW Act.

Form 121 for EPFO Subscribers

As per EPFO's web circular dated April 13, 2026, Form 121 is now mandatory for EPF withdrawals claiming TDS exemption.

EPFO-Specific Guidelines

When submitting EPF withdrawal request:

  • Submit Form 121 BEFORE filing withdrawal claim
  • Ensure PAN, Aadhaar, and EPF details match EPFO records
  • EPFO will generate UIN for each Form 121
  • UIN will be quoted in monthly consolidated statements
  • UIN also included in quarterly TDS returns

Common Errors to Avoid:

  • ❌ PAN/Aadhaar mismatch with EPFO records
  • ❌ Declared income doesn't match actual income
  • ❌ Submitting form AFTER withdrawal request
  • ❌ Incomplete KYC details

Warning: If Form 121 is submitted after withdrawal processing starts, TDS may already be deducted at 10%. You'll then need to claim refund via ITR.

Penalties for False Declaration

Form 121 is a self-declaration. You are certifying that your tax liability is zero. Making a false declaration has serious consequences:

Violation Penalty
False Declaration
(Actual tax liability is not zero)
• Penalty under Section 270A
• 50% to 200% of tax sought to be evaded
• Interest @ 1% per month on short-payment
Deliberate Misrepresentation
(Fraudulent income disclosure)
• Prosecution under Section 276C
• Imprisonment: 6 months to 7 years
• Plus fine
Non-Filing of ITR
(After filing Form 121)
• Late filing penalty: ₹5,000
• Interest on unpaid tax @ 1% per month
• Income mismatch scrutiny

Data-Driven Validation

The new Income Tax Act 2025 integrates Form 121 declarations with:

  • ✅ AIS (Annual Information Statement)
  • ✅ Form 140 (TDS statements)
  • ✅ ITR database
  • ✅ Bank transaction reporting

Mismatches are automatically flagged. Ensure your declaration is accurate!

FAQs

Q1: Can I file Form 121 online?

Answer: YES.

Most major banks now offer online Form 121 submission through net banking/mobile banking. Check your bank's portal under "Tax Forms" or "e-Services" section.

Q2: Do I need to file separate Form 121 for each bank?

Answer: YES.

Form 121 must be submitted to each payer separately. If you have FDs in 3 different banks, you need to file 3 separate Form 121s.

Q3: Can NRIs file Form 121?

Answer: NO.

Form 121 is only for resident individuals and HUFs. NRIs cannot file Form 121. TDS provisions for NRIs are different (higher rates apply).

Q4: Is Aadhaar mandatory for Form 121?

Answer: NO, but recommended.

Aadhaar is optional in Form 121. However, providing it helps in faster verification and better integration with Income Tax databases.

Q5: What if my total income increases during the year?

Answer: You should inform the payer.

If your actual income during the year becomes taxable (exceeding exemption limit), you should ideally inform the payer to start deducting TDS. Alternatively, pay advance tax yourself to avoid interest liability.

Q6: How long is Form 121 valid?

Answer: One Tax Year only.

Form 121 is valid only for the tax year mentioned in the form (e.g., 2026-27). You need to submit fresh Form 121 every year in April.

Q7: Can senior citizens file Form 121?

Answer: YES.

Senior citizens (60+) and super senior citizens (80+) can file Form 121. There is no age-based restriction in the new form.

Q8: What if I forget to file Form 121 and TDS is deducted?

Answer: Claim refund in ITR.

If TDS is deducted because you didn't file Form 121, you can claim the full refund when filing your Income Tax Return. The TDS will be credited to your account, and refund will be processed.

Checklist Before Filing Form 121

Pre-Filing Checklist

  • Calculate your estimated total income for Tax Year 2026-27
  • Verify that your final tax liability will be ZERO
  • If below 60 years, ensure total income ≤ basic exemption limit
  • Keep PAN card handy (mandatory field)
  • Have Aadhaar number ready (optional but recommended)
  • Know your residential status (must be Resident)
  • List all payers (banks/companies) where you need to submit
  • Decide: Online filing or offline/physical submission
  • Submit EARLY in April to avoid missing interest credit dates
  • Keep previous year's ITR handy for income reference

Need Help Filing Form 121?

Our CA experts can help you assess eligibility, file Form 121 correctly, and ensure full TDS compliance under the new Income Tax Act 2025.

View Tax Services Talk to Expert

✓ Income Tax Act 2025 Experts • ✓ Form 121 Filing • ✓ TDS Optimization

Conclusion

Form 121 represents a smart simplification in India's tax system. By merging Form 15G and Form 15H into one unified declaration, the Income Tax Act 2025 has:

  • ✅ Eliminated age-based confusion
  • ✅ Created a better UIN tracking system
  • ✅ Enabled easier online filing
  • ✅ Improved data integration with Income Tax Department
  • ✅ Reduced compliance burden for payers

Key Takeaways:

  • Form 121 replaces both Form 15G and 15H from April 1, 2026
  • One form for all eligible residents (individuals and HUFs)
  • Governed by Section 393(6) of Income Tax Act 2025
  • Must be filed BEFORE income is credited/paid
  • Valid for one tax year only — renew annually
  • Separate form needed for each payer
  • Available for online filing through most banks
  • Smart UIN system for better tracking
  • False declaration attracts heavy penalties
  • Old Form 15G/15H does NOT carry forward — submit fresh Form 121

If you previously filed Form 15G or 15H, make sure to submit Form 121 in early April 2026 to continue enjoying TDS exemption. The process is simple, the benefits are significant, and the compliance is now easier than ever.


📌 Disclaimer

This article is for educational purposes based on the Income Tax Act 2025 and Income Tax Rules 2026. Tax laws are subject to amendments and clarifications. Always verify your eligibility before filing Form 121 and consult a qualified Chartered Accountant for personalized advice. E Tax Expert is not responsible for actions taken based solely on this information.

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