Changed jobs during the financial year? Both employers deducting TDS doesn't automatically mean your tax is fully settled. Here's why a job switch often results in extra tax payable at filing time, and what you can do to minimise the year-end surprise.
Why a Job Switch Can Create a Tax Shortfall
Each employer computes TDS under Section 192 assuming that the salary they pay you is your only income for the year. The basic exemption limit, slab benefits, and standard deduction get applied once by each employer — but you're only entitled to claim these once in total across the whole financial year.
If you worked at Employer A from April to August and Employer B from September to March, and neither employer knows about the other's payments, both may apply the lower tax slabs (e.g., 5% and 10% brackets) to "their" portion of your salary. When you combine both salaries in your ITR, the correct slab computation pushes more of your total income into higher brackets — often resulting in a tax shortfall you'll need to pay via self-assessment tax before filing.
Form 12B: The Fix Most Employees Skip
Form 12B is a statement you can voluntarily furnish to your new employer, detailing the salary paid and TDS deducted by your previous employer(s) during the same financial year. If your new employer has this information, they can:
- Aggregate your total projected salary for the year correctly
- Apply the basic exemption and slab benefits only once
- Deduct TDS at a rate that reflects your true combined income
⚠ Submission is optional but recommended: Employees are not legally required to submit Form 12B, but skipping it almost always means under-deduction of TDS in aggregate, leaving you with a balance payable at filing — potentially with interest under Section 234B/234C if the shortfall is large enough to cross the advance tax threshold. See our
advance tax guide for how this interest is calculated.
Handling Multiple Form 16s While Filing
You'll receive a separate Form 16 from each employer for the period you worked there. When filing your ITR:
- Add together the gross salary figures from all Form 16s — report this as your total salary income (not separately per employer).
- Add together the exemptions (HRA, LTA, etc.) claimed via each employer, ensuring you haven't exceeded the actual eligible amount in total — see our HRA exemption guide for the correct formula.
- Claim Chapter VI-A deductions (Section 80C, 80D, etc.) only once in total — even if both employers separately allowed you to declare investments, the combined claim cannot exceed the statutory limits.
- Add together the TDS deducted by both employers and verify the total against Form 26AS.
Other Things to Check When Changing Jobs
| Item | What to Check |
|---|
| Leave encashment / gratuity received on exit | May be partly or fully exempt depending on type of employer and years of service — confirm treatment in your final settlement statement |
| EPF withdrawal/transfer | Transferring to the new employer's EPF account avoids tax implications; withdrawing before 5 years of continuous service can attract tax on the employer's contribution and interest |
| Perquisites changed mid-year (e.g., car, accommodation) | Each employer values perquisites only for the period they provided them — ensure both Form 16s reflect this correctly without double-counting |
| Joining bonus repaid on early exit | If you repaid a joining bonus that was taxed in a prior year, relief may be claimed under Section 89(1) for the tax paid on income you've now had to return |
Frequently Asked Questions
Why do I owe extra tax after switching jobs, even though both employers deducted TDS? ▼
Each employer computes TDS assuming their salary is your only income, applying the basic exemption and slab benefits independently. Without Form 12B, both employers may apply lower slabs to "their" portion of salary. When combined in your ITR, correct slab rates push more income into higher brackets, creating a shortfall payable at filing time.
What is Form 12B and do I have to submit it to my new employer? ▼
Form 12B is a statement of salary and TDS from your previous employer(s), submitted voluntarily to your new employer so they can aggregate your total salary and deduct TDS more accurately. It's not mandatory, but skipping it usually means under-deduction in aggregate, leaving you to pay the shortfall via self-assessment or advance tax.
Do I need to combine Form 16 from multiple employers when filing my ITR? ▼
Yes. Add together the gross salary, exemptions, and TDS figures from all Form 16s and report combined salary income in a single ITR. Chapter VI-A deductions (like Section 80C) should be claimed once in total, not separately against each employer's salary.