Form 16 in income tax is the certificate your employer gives you that proves how much salary you were paid in a financial year and how much tax was deducted at source (TDS) from it and deposited with the government. It has two parts: Part A, the TDS summary generated from the government’s TRACES portal, and Part B, the detailed salary breakup and tax computation prepared by your employer. It is the single most useful document a salaried person has when filing an income tax return. For more clear tax and money explainers, see newsreverse com.
If you are salaried and your employer deducts tax, you should receive Form 16 every year. This guide explains what each part contains, when you should get it, and how to use it, without any jargon.
What is Form 16 and why does it exist?
Under the Income-tax Act, an employer who deducts tax from an employee’s salary must give that employee a certificate showing the amount deducted and paid to the government. That certificate is Form 16, issued under Section 203. In plain terms, it is your employer’s official acknowledgement of “here is what we paid you, and here is the tax we withheld on your behalf and handed to the tax department.”
Because the tax is deducted at source, you may never physically pay it yourself; it is taken out before your salary reaches you. Form 16 is your proof that this happened correctly, and it is the starting point for reconciling your own tax return.
What is the difference between Part A and Part B?
Form 16 comes in two clearly defined parts, and it helps to know what each one is for.
Part A is generated and downloaded by the employer from the TRACES portal. It carries a unique certificate number and shows the employer’s TAN and your PAN, the period of your employment, and a quarter-by-quarter summary of the TDS deducted and deposited. Because it comes from the government portal, it acts as an authenticated record. If the numbers in Part A do not match what your employer actually deposited, that is a red flag to raise.
Part B is prepared by the employer and is essentially the working behind your tax. It sets out your gross salary, the allowances that are exempt, deductions claimed under the relevant sections, your taxable income, and the tax finally computed. Part B is what you lean on when entering figures into your return.
| Aspect | Part A | Part B |
|---|---|---|
| Source | Generated from the TRACES portal | Prepared by the employer |
| Contains | Employer TAN, employee PAN, employment period, quarterly TDS deposited | Salary breakup, exemptions, deductions, taxable income, tax computed |
| Main use | Proof that TDS was deducted and deposited | Filling in the details of your income tax return |
| Authentication | Certificate number and government watermark | Signed or digitally verified by the employer |
When should you receive Form 16?
Employers are required to issue Form 16 by 15 June following the end of the financial year. So for a financial year that ends on 31 March, the certificate should be in your hands by 15 June of the same calendar year. If an employer issues it late, the law provides for a penalty on the employer, though the exact amount is set out in the relevant section and you should confirm current figures as of 2026 from the official source.
If you changed jobs during the year, you should get a separate Form 16 from each employer for the period you worked there. Keeping both is important so that your total salary and total TDS are captured correctly when you file.
Do you always get a Form 16?
Not necessarily. Form 16 is specifically a TDS certificate for salary. If your income was below the threshold at which tax is deducted, or your employer did not deduct any tax for another reason, they may not issue one. That does not mean you cannot file a return. You can still file using your salary slips, bank statements and, importantly, your Form 26AS and Annual Information Statement (AIS), both available on the income tax e-filing portal, which independently show the tax credited against your PAN.
It is good practice to cross-check Form 16 against Form 26AS anyway. The TDS shown in Part A should match what appears in your 26AS. A mismatch usually means the employer’s filing has an error that needs fixing before you file.
Form 16 vs Form 16A: what is the difference?
People sometimes confuse the two. Form 16 is for tax deducted on salary. Form 16A is a TDS certificate for non-salary payments, such as interest from a bank, rent, commission or professional fees. If a bank deducts TDS on your fixed deposit interest, for example, it issues Form 16A, not Form 16. Both are TDS certificates, but they cover different kinds of income. If you earn interest from deposits, our explainer on fixed versus recurring deposits is a useful companion read.
How do you use Form 16 to file your return?
Form 16 makes filing your income tax return far smoother. A practical sequence:
- Collect Form 16 from every employer you had in the year.
- Check Part A against your Form 26AS to confirm the TDS matches.
- Use Part B to identify your gross salary, exemptions and deductions.
- Enter these into the correct return form on the e-filing portal, adding any other income such as interest.
- Verify whether more tax is due or a refund is owed, then submit and e-verify the return.
Because the figures are already computed and authenticated, Form 16 reduces the chance of errors and the risk of a mismatch notice later. Keep a copy safely; it is also frequently asked for when you apply for a loan or a visa as proof of income.
What does TDS on salary actually mean?
To understand Form 16, it helps to understand the system it documents. Tax deducted at source, or TDS, is the government’s way of collecting income tax gradually through the year rather than in one lump sum at the end. Your employer estimates your annual tax based on your salary and the deductions you declare, divides it across the months, and withholds a slice from each pay cheque, depositing it with the government against your PAN. Form 16 is simply the year-end summary of that ongoing process.
This is also why the deductions you declare to your employer matter. If you tell your employer about eligible investments or expenses at the start of the year, your monthly TDS reflects them and less tax is withheld. If you forget, more tax may be deducted, and you would then claim the excess back as a refund when you file your return. Either way, Form 16 records what was actually deducted, so it is the honest ledger you reconcile against.
What if there is a mismatch or your employer delays it?
Problems do occur, and knowing your options keeps you protected. The most common issue is a mismatch between the TDS shown in Part A and what appears in your Form 26AS. This usually means your employer either has not deposited the tax or has filed the TDS return with an error, sometimes a wrong PAN. Because your credit for that tax depends on correct reporting, you should raise it with your employer promptly and ask them to file a correction.
If your employer delays issuing Form 16 past the deadline, or refuses to provide it despite having deducted tax, the law places the obligation squarely on the employer, and persistent failure can attract a penalty on them. You are not stranded in the meantime. Using your salary slips, bank statements and the Form 26AS and Annual Information Statement on the e-filing portal, you can reconstruct the same information and file your return on time. Filing late to wait for a missing certificate is rarely the right call, since the return deadline is separate from the certificate deadline.
What should you check on your Form 16?
Before you rely on it, verify a few basics: your name and PAN are correct, the employer’s TAN is present, the assessment year is right, and the salary and TDS figures look consistent with your payslips. If your PAN is wrong, the TDS may not be credited to you, which can cause a demand later. Catch these early and ask your employer to correct and reissue the certificate.
The bottom line
Form 16 is your employer’s TDS certificate: Part A proves the tax deducted and deposited, and Part B breaks down your salary and computes the tax. You should get it by 15 June after the financial year ends, and it is the backbone of an easy, accurate income tax return. Even without it, you can file using Form 26AS and your payslips, but having it, and checking it against 26AS, saves a lot of trouble.
To keep building your tax literacy, read our explainer on the difference between direct and indirect tax and browse more guides in the business section.