Form 16 Explained — What It Is, Parts A & B, and How to Use It for ITR 2025

Form 16 is the most important document for a salaried employee filing ITR. It's a TDS certificate that summarizes your salary income, deductions, exemptions, and how much tax was deducted by your employer. Understanding it completely removes confusion at filing time.

What is Form 16?

Form 16 is issued by employers to employees under Section 203 of the Income Tax Act. It certifies that TDS (Tax Deducted at Source) has been deducted from the employee's salary and deposited with the government. It has two parts:

• Part A — Generated from TRACES (TDS Reconciliation Analysis and Correction Enabling System) — cannot be manually modified by employer
• Part B — Salary certificate prepared by employer — shows complete salary computation

Form 16 Part A — What It Contains

Field	What It Means
Employer TAN	Tax Account Number of employer — used for TDS deposits
Employee PAN	Your PAN — verify it's correct
Period	Financial year (April to March)
TDS Quarters	Quarter-wise TDS deducted and deposited
Total TDS	Total tax deducted across all quarters
TRACES certificate	Digitally signed by TRACES — unique certificate number

Form 16 Part B — What It Contains

Section	What's Listed
Gross Salary	Basic + HRA + all allowances + perquisites
Exemptions u/s 10	HRA, LTA, leave encashment, gratuity exemptions
Taxable Salary	Gross salary minus exemptions
Standard Deduction	₹75,000 (FY 2024-25 new regime) or ₹50,000 (old)
Chapter VI-A Deductions	80C, 80D, 80E, 80G, etc.
Net Taxable Income	After all deductions
Tax on Income	Tax computed at applicable slabs
TDS Deducted	Total TDS as per Part A

How to Cross-Check Form 16

Step 1 — Match with Form 26AS

Form 26AS (downloadable from income tax portal) shows all TDS deposited against your PAN. The TDS figure in Form 16 Part A must exactly match Form 26AS. Any mismatch means employer hasn't deposited TDS — contact HR immediately.

Step 2 — Verify PAN Details

Ensure your PAN is correctly printed in Form 16. Errors in PAN mean TDS credit won't reflect in your 26AS — you won't be able to claim it.

Step 3 — Check Deductions Claimed

Part B should reflect all investments you submitted proof for — 80C (LIC, ELSS, PF, home loan principal), 80D (health insurance), HRA, LTA. If any are missing, contact HR to issue a revised Form 16 or claim the deduction yourself in ITR.

How to Use Form 16 for ITR Filing

1. Open income tax portal at incometax.gov.in → File ITR → Select ITR-1 (for most salaried employees)
2. Most details pre-fill from Form 26AS and Annual Information Statement (AIS)
3. Cross-check pre-filled data with Form 16 Part B
4. Add deductions not reflected (e.g., investments made outside employer's system)
5. Verify total tax, TDS already deducted, and net tax payable/refundable
6. Submit and e-verify

If you changed jobs in a financial year, you'll have two Form 16s — one from each employer. You must combine both in ITR. Add salaries from both, add all deductions, compute total tax — then deduct total TDS from both employers.

What If Employer Doesn't Give Form 16?

• Employer is legally required to issue Form 16 by June 15
• If TDS was deducted, employer must issue it — non-issuance is a violation
• If no TDS was deducted (because income was below threshold), employer may not issue Form 16
• You can still file ITR using your salary slips, Form 26AS, and AIS
• File a grievance at traces.gov.in or contact your Assessing Officer if employer refuses

How to Download Form 16 (Part A) from TRACES

If you need Part A independently (to verify) — you can download it from TRACES. However, only employers can download and issue Form 16 — employees cannot generate it directly. Your employer's payroll team downloads it from traces.gov.in using their TAN credentials.