Income Tax
ITR – Salaried Individual
Salary, house property and other income returns filed accurately.
2–3 days CA reviewed
File Form 12B
Declare previous-employer salary to your new employer after a mid-year job change.
Turnaround 1–2 daysCA-led professional reviewStarting ₹399Average turnaround time: 1 day
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Bluman Advantage
Previous salary, perquisite and TDS extraction from Form 16/payslips, Rule 26A-format Form 12B preparation, cross-check against 26AS/AIS and a shortfall estimate so your new employer deducts the right TDS for the rest of the year.
Why this matters
Why it is required
A new employer only knows what it pays you. Without Form 12B it applies exemptions and slab benefits afresh from your joining date, so TDS for the year is under-deducted.
Avoids a tax shock at filing time
Under-deducted TDS surfaces only when you file your return, as a lump-sum payable along with interest under sections 234B and 234C where applicable.
Gives you one consolidated Form 16
Once Form 12B is accepted, the new employer computes tax on combined salary for the full year and issues a Form 16 reflecting the whole year's position.
Keeps deductions from being claimed twice
Standard deduction, Chapter VI-A limits and exemption thresholds apply once per year, not once per employer. Form 12B lets the new employer apply them correctly.
Service overview
What this service is
Form 12B is a declaration under Rule 26A of the Income-tax Rules, 1962 that a salaried employee gives to a new employer after changing jobs during the same financial year. It reports salary, allowances, perquisites, provident fund accretion and TDS already deducted by the previous employer. Bluman collects your earlier Form 16, payslips and tax credit statements, prepares the declaration in the prescribed format and hands it to you ready for submission to your new employer.
Who needs it
Employees who changed jobs during the financial year and want the new employer to account for salary already drawn and tax already deducted by the previous employer, so that tax for the year is computed on combined income rather than twice over on a fresh basic exemption.
What Bluman will do
- Compile salary details from the previous employer for the part of the year worked there, including allowances, perquisites and exempt components.
- Capture provident fund contributions, professional tax paid and tax deducted with the deductor details.
- Prepare Form 12B with the details in the prescribed format, so the new employer can compute tax for the full year correctly.
- Explain the deductions you should declare to the new employer so relief is not claimed twice across the two jobs.
Key deliverables
- Completed Form 12B ready for submission to the new employer
- Note on declarations to make to the new employer
Best done immediately on joining, so the new employer can spread the correct tax across the remaining months.
- · Government fees, portal charges and applicable taxes are billed at actuals.
- · Timelines start once complete documents and information are received.
- · Outcomes that depend on a government authority cannot be guaranteed, but every step is tracked and communicated.
Forms and filings involved
Form 12B
Statement of salary and tax deducted by the previous employer, furnished to the new employer.
Form 16
Previous employer's certificate, used as the source of the details.
Documents required
- Salary slips or Form 16 from the previous employer
- Details of the joining date with the new employer
- Provident fund and professional tax details
- Investment declarations already made
What we need from you
- Submit the form to your new employer — it is furnished by you, not filed with the department.
- Provide complete previous-employer salary details.
Important conditions
- Whether the new employer acts on the form is the employer's decision; the alternative is to settle the position when filing your return.
- Return filing for the year is a separate service.
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Frequently asked questions
Who needs to submit Form 12B?
A salaried employee who joins a new employer part-way through the same financial year (1 April to 31 March) and had salary income from the previous employer in that year.
Is Form 12B submitted to the Income Tax Department?
No. It is submitted by the employee to the new employer. The employer uses it to compute TDS on total salary for the year; it is not filed with the department.
What happens if I do not submit it?
The new employer deducts TDS only on the salary it pays. The shortfall on combined salary becomes payable by you at the time of filing your return, potentially with interest.
What documents are needed?
Your previous employer's Form 16 or salary certificate, monthly payslips for the period worked, details of perquisites and provident fund accretion, and your Form 26AS / AIS for TDS credit verification.
When should I give it to the new employer?
At the time of joining, or as early as possible thereafter, so that the correct TDS can be spread over the remaining months of the year instead of being deducted in a lump sum.
Is Form 12B the same as Form 12BB?
No. Form 12BB is the declaration of deductions and investments you claim from your employer. Form 12B specifically reports income and TDS from a previous employer after a job change.
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Under the Income-tax Act, 2025 and the Income-tax Rules, 2026, the declaration earlier made in Forms 12B and 12BAA is consolidated into Form No. 122. Bluman prepares the form applicable to your relevant year.
Regulated services including certifications, attestations and statutory filings are performed or reviewed by appropriately qualified professionals as required by law. Government fees, portal charges and taxes are billed at actuals.