With the introduction of the Income-tax Act, 2025 and the corresponding Income-tax Rules, 2026, one of the key areas of change is the renumbering and restructuring of forms used for TDS and TCS compliance.
While the fundamental compliance requirements remain largely similar, the form numbers and their linkage with the new sections have been realigned.
| New Form No. (IT Rules 2026) | Old Form No. (IT Rules 1962) | Description |
| 26 | 3CA, 3CB, 3CD | Audit report and Statement of particulars required to be furnished under section 63 |
| 121 | 15G, 15H | Declaration under section 393(6) for receipt of certain incomes without deduction of tax |
| 122 | 12B and 12BAA | Form for furnishing details of income under section 392(4)(a) for the purposes of making deduction where income is chargeable under the head “Salaries” |
| 123 | 12BA | Statement showing particulars of perquisites, other fringe benefits or amenities and profits in lieu of salary with value thereof |
| 124 | 12BB | Statement showing particulars of claims by an employee for deduction of tax under section 392(5)(b) |
| 125 | 12BBA | Declaration to be furnished by Specified Senior Citizen for deduction of tax under Section 393(1) [Table: Sl. No. 8(iii)] |
| 126 | 15C, 15D | Application by a person specified in rule 209 for a certificate under section 395(1), for receipt of certain sums without deduction of tax |
| 127 | 27C | Declaration under section 394(2) to be made by a buyer for obtaining goods without collection of tax |
| 128 | 13 | Application for issuance of certificate for lower or nil deduction of income-tax under section 395(1) and lower collection of income-tax under section 395(3) |
| 129 | 15E | Application by a person for a certificate under section 395(2) and 400(3) for determination of appropriate proportion of sum (other than salary) payable to non-resident, chargeable to tax in case of the recipient. |
| 130 | 16 | Certificate under section 395 for tax deducted at source on salary paid to an employee under section 392 or pension or interest income of specified senior citizen under section 393(1) |
| 131 | 16A | Certificate under section 395(4) for tax deducted at source other than on salary paid to an employee under section 392 or pension or interest income of specified senior citizen under section 393(1) |
| 133 | 27D | Certificate under section 395(4) for tax collected at source |
| 134 | 49B(1) | Form for application for allotment of Tax Deduction and Collection Account Number [TAN] under section 397 |
| 135 | 49B(2) | Form for application for allotment of Tax Deduction and Collection Account Number [TAN] under section 397 |
| 137 | 24G | TDS/TCS Book Adjustment Statement |
| 138 | 24Q | Quarterly statement of deduction of tax under section 397(3)(b) of the Act in respect of salary paid to employee under section 392, or income of specified senior citizen under section 393(1) |
| 140 | 26Q | Quarterly statement of deduction of tax under section 397(3)(b) in respect of payments made other than salary |
| 141 | 26QB, 26QC, 26QD, 26QE | Challan-cum-statement of deduction of tax under section 393 |
| 142 | 26QF | Quarterly statement of tax deposited in relation to transfer of virtual digital asset |
| 143 | 27EQ | Quarterly statement of collection of tax at source |
| 144 | 27Q | Quarterly statement of deduction of tax in respect of payments made to non-residents |
| 145 | 15CA | Information to be furnished for payments to a non-resident |
| 146 | 15CB | Certificate of an accountant for payments to a non-resident |