What is the new number for Form 12BB?

Form 124, the employee's claims for deductions and exemptions. The new number applies from tax year 2026-27.

Which form do I use for a period up to 31 March 2026?

The old form, 12BB. Periods up to 31 March 2026 still use the old forms, and the new numbers apply from tax year 2026-27.

INCOME-TAX RULES 2026 · OLD FORM 12BB

Form 12BB is now Form 124

Form 12BB, the employee's claims for deductions and exemptions, is now Form 124 under the Income-tax Rules 2026. The new number applies from tax year 2026-27, which starts on 1 April 2026. Periods up to 31 March 2026 and returns for AY 2026-27 still use the old form.

Declarations and applications

OLD FORM	NEW FORM	WHAT IT IS
15G, 15H	121	Declaration for receiving income without tax deduction
12BB	124	Employee's claims for deductions and exemptions
13	128	Application for a lower or nil deduction certificate

Common questions

What is the new number for Form 12BB?: Form 124, the employee's claims for deductions and exemptions. The new number applies from tax year 2026-27.
Which form do I use for a period up to 31 March 2026?: The old form, 12BB. Periods up to 31 March 2026 still use the old forms, and the new numbers apply from tax year 2026-27.

Need the new code for an old section?

Type an old TDS section such as 194C or 194J and get the payment code under section 393.

Look up a section

All new form numbers →Form 15G →Form 13 →

Only mappings confirmed by at least two independent sources are listed: TDSMAN's mapping table, taxupdate.in, TaxGuru, ClearTax, ebizfiling.com and other vendor guides, read on 19 September 2026. Forms 27D to 133, 16B to 16E to 132 and 26AS to 168 were added after a further reading on 8 October 2026. Confirm on the e-filing portal before filing.