Forms › Deductions, Disabilities & SEZ › Form 34

Form 34 — Report for deduction regarding additional employee cost

Compiled — pending CBDT Appendix III cross-check E · Deductions, Disabilities & SEZ
Replaces old Form 10DA. Under the Income-tax Act, 2025, this compliance now uses Form 34.
New form numberForm 34
Old form number10DA
Act 2025 reference146
CategoryE · Deductions, Disabilities & SEZ
Applies fromTax Year 2026-27 (from 1 April 2026)

What is Form 34?

Form 34 is the Income-tax Act, 2025 form titled “Report for deduction regarding additional employee cost”. It replaces the earlier Form 10DA used under the Income-tax Act, 1961 (and the Income-tax Rules, 1962). The purpose of the form is unchanged — the number and format have been updated under the new law.

It falls under the Deductions, Disabilities & SEZ category and relates to Section 146 of the Act, and applies to Tax Year 2026-27 (AY 2026-27) onwards, i.e. from 1 April 2026.

A fuller plain-language explainer for Form 34, reviewed by our Chartered Accountants, is being added.

📘 Where this is written in the Act: Form 34 is governed under Section 146 of the Income-tax Act, 2025.
📖 Read Section 146 explained 🔎 Verify in the official Act (PDF)

Transitional rule — which form applies?

⚠️ Which form applies depends on the tax year the compliance relates to, not the calendar date you file. Proceedings for tax years beginning before 1 April 2026 (assessments, appeals, TDS for transactions up to 31 March 2026, and Section 89 relief for those years) continue on the old forms.

Frequently asked questions

What is the new form for Form 10DA?

Under the Income-tax Act, 2025, old Form 10DA is replaced by Form 34 — Report for deduction regarding additional employee cost. It applies to Tax Year 2026-27 onwards.

From when does Form 34 apply?

It applies to Tax Year 2026-27 (AY 2026-27) onwards, i.e. from 1 April 2026. Compliance relating to earlier tax years continues on the old forms.

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Not sure which form applies to your case?

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This directory is compiled from official CBDT / incometax.gov.in sources and reputable references, and is being reconciled against the Gazette-notified Income-tax Rules, 2026 (Appendix III). Forms marked “compiled” are pending that final cross-check. This is general information, not tax advice.