What Is Form 16 and How to Read It

A plain-language lesson on Form 16: what it certifies, who gets one, how to read Part A and Part B, the lines to check against Form 26AS, and what to do when it is wrong or missing.
Riya Sharma's avatar
Oct 20, 2026
What Is Form 16 and How to Read It

Every year around June, a document called Form 16 lands in the inbox of almost every salaried person in India, and almost everyone files it away without reading it. Then in July, when the income tax return is due, the same document suddenly becomes the most important piece of paper you own. Let us take it apart slowly, the way we would read any new document in class: what it is, who gives it to you, what each part says, and what to do if something in it is wrong.

What Form 16 is

Form 16 is a certificate your employer issues to show how much salary they paid you in a financial year (April to March) and how much tax they deducted from that salary and deposited with the government on your behalf. That deduction is called TDS, tax deducted at source. If you have read our earlier lesson on what TDS is, Form 16 is simply the salary-side proof of that TDS.

Think of it as a report card for your salary and tax. The school in this case is your employer, and the examination board is the Income Tax Department. Your employer is legally required to issue it by 15 June of the following financial year, provided they deducted any tax from your pay. If no tax was deducted at all, they may not issue one, and that is normal for many entry-level salaries.

Who gets one and who does not

Your situation

Do you get Form 16?

What you use instead

Salaried, tax was deducted from salary

Yes, from each employer you worked for in the year

Nothing else needed for salary income

Salaried, income below the taxable limit, no TDS

Usually no

Salary slips and bank credits

Changed jobs mid-year

Yes, one from each employer

Combine both while filing

Freelancer or consultant paid on invoice

No (you get Form 16A instead)

Form 16A and Form 26AS

Pensioner, tax deducted by bank

Yes, from the pension-paying bank

Same as salaried

The last row surprises people. A pension is treated as salary for tax purposes, so the bank that pays it issues a Form 16 just like an employer would.

Part A: the tax that actually reached the government

Form 16 comes in two parts. Part A is generated from the government's TRACES portal, which means the numbers on it come from what your employer actually deposited, not from what they intended to deposit.

Part A shows your employer's name, address and TAN (their tax deduction account number), your PAN, the financial year and assessment year, the period you were employed, and then a quarter-by-quarter table: how much salary was paid in each quarter, how much tax was deducted, and the challan details proving it was deposited. The total at the bottom of Part A is the single most important number in the whole document. It is the tax credit you are entitled to claim when you file.

Part B: how your salary was built up and taxed

Part B is prepared by your employer and explains the arithmetic. It starts with your gross salary and then walks down through exemptions and deductions to arrive at taxable income and the tax on it. Reading it from top to bottom tells you exactly why the TDS figure in Part A is what it is.

The key lines, in the order they appear, are gross salary, exempt allowances such as house rent allowance (HRA) and leave travel allowance, the standard deduction, professional tax, deductions under Chapter VI-A such as Section 80C (provident fund, life insurance, ELSS) and 80D (health insurance), total taxable income, tax on that income, the health and education cess, relief under Section 89 if any, and finally the net tax payable, which should match the total TDS in Part A.

The numbers to check line by line

Do not assume the form is correct because a company produced it. Payroll teams make mistakes, especially in years when you changed jobs, submitted investment proofs late, or had a mid-year salary revision. Here is a reading checklist.

Line on Form 16

Compare it with

What a mismatch means

Your PAN

Your PAN card

Wrong PAN means the TDS is credited to someone else; get it corrected before filing

Total TDS in Part A

Form 26AS and AIS on the income tax portal

If 26AS shows less, the employer deposited less than they deducted

Gross salary in Part B

March salary slip (year-to-date column)

Could be missing a bonus, arrears or joining pay

HRA exemption

Rent receipts you submitted

Zero exemption usually means proofs were not received in time

80C total

Your PF statement + policy premium receipts

Often capped wrongly or missing a late submission

Period of employment

Your joining and leaving dates

Matters when combining two Form 16s

Form 26AS is the government's own statement of every tax credit against your PAN. If Form 16 and 26AS disagree, 26AS wins at the time of filing, so the mismatch has to be fixed at the employer's end, not by editing your return.

When you have two Form 16s in one year

Changing jobs is the most common source of trouble. Each employer calculates tax as if they were your only employer for the year, so both may give you the standard deduction and both may assume your income is below a certain slab. When you add the two salaries together while filing, you often discover that more tax is due than the two TDS figures combined. This is not a mistake on either form; it is a gap created by the two employers not seeing each other's numbers.

The way to avoid the July shock is to give your new employer a declaration of your previous salary and TDS (Form 12B) when you join. If you did not, budget for a possible self-assessment payment when you file.

What to do if Form 16 is wrong or missing

If a number is wrong, write to your payroll or HR team with the specific line and your supporting proof. The employer corrects it by filing a revised TDS return, after which a corrected Form 16 is regenerated. This can take two to four weeks, so start early rather than a day before the filing deadline.

If you have not received Form 16 at all by late June, ask for it in writing. If the employer has shut down or refuses, you can still file your return using your salary slips, bank statements and Form 26AS. The absence of Form 16 does not excuse you from filing, and the TDS credit in 26AS is yours regardless of whether the certificate was issued.

How Form 16 feeds into your tax return

When you file, the pre-filled return on the portal already pulls most of Part B from your employer's TDS return. Your job is to verify it against the paper Form 16, add anything the employer did not know about, such as interest from a savings account or a fixed deposit, and claim deductions you paid for outside salary. Our walk-through of filing your first income tax return picks up exactly at this point.

One habit worth building: download and save every year's Form 16 in a single folder. Home loan applications, visa applications and some rental agreements ask for two or three years of Form 16 as income proof, and employers you left years ago are slow to reissue them.

Frequently asked questions

Is Form 16 the same as the income tax return? No. Form 16 is a certificate from your employer about your salary and TDS. The return is the form you file with the government, and Form 16 is one of its inputs.

My employer deducted tax but Form 26AS shows nothing. What happened? The employer deducted but has not deposited or has not filed the TDS return. Raise it with them in writing immediately; until it appears in 26AS, you cannot claim the credit.

I earned below the taxable limit. Do I still need Form 16? You do not need it to file, and your employer may not issue one. You can still file a return using salary slips if you want a record, which is useful for loans and visas.

Can I get Form 16 for an old year? Yes. Employers can regenerate Part A from TRACES for any past year. Ask HR; it is a routine request.

Does Form 16 show income from my side business or rent? No. It covers only what that employer paid you. Other income has to be added separately when you file.

Share article