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Income-tax Rules 2026: the new form numbers and TDS/TCS filing mechanics.

The Income-tax Act, 2025 got the headlines — the Income-tax Rules, 2026 are the part that actually changes your paperwork: new form numbers, revised TDS/TCS mechanics, and a transition window that trips up anyone still filing on the old forms.

October 2026 4 min read By Akash Ukil, Co-founder · Chartered Accountant

The Income-tax Act, 2025 replaced the 1961 Act from 1 April 2026, and most of the commentary since has stayed at that altitude — sections renumbered, structure consolidated, substance largely unchanged. The Income-tax Rules, 2026, notified by the CBDT as G.S.R. 198(E) on 20 March 2026 under Section 533 of the 2025 Act, are the subordinate legislation that actually determines which form you file, by when, and in what format. For anyone running payroll, vendor TDS or a return-filing calendar, the Rules matter more day to day than the Act they sit under.

On this page

A smaller rulebook, renumbered forms

The new Rules compress the old Income-tax Rules, 1962 — roughly 511 rules and close to 400 forms — down to about 333 rules and under 200 forms, folding overlapping schedules together. Every familiar form has a new number. Form 26AS (the tax credit statement) becomes Form 168. Form 16, the salary TDS certificate, becomes Form 130, and Form 16A (non-salary TDS certificate) becomes Form 131. The TDS/TCS return forms are renumbered too — the salary return (formerly Form 24Q) and the non-salary return (formerly Form 26Q) move to new numbers in the 130s–140s range under the 2026 Rules. Because mapping tables from different publishers have shown minor inconsistencies in the exact return-form numbers, always cross-check the number against the CBDT's own FAQ and form list on the Income Tax Department portal before filing, rather than relying on a single secondary source.

The transition: two rulebooks running in parallel

The practical trap is timing. Every return, certificate, notice and proceeding relating to FY 2025-26 and earlier — including the ITR you file this season for AY 2026-27 — stays on the old 1962 forms: old Form 26AS, old Form 16/16A, old 24Q/26Q/27Q/27EQ. The new 2026 forms apply only from FY 2026-27 onward, meaning the first TDS returns filed under the new numbering are the ones due for the quarter ending 30 June 2026, filed around 31 July 2026. A business running payroll software or outsourced TDS compliance needs both form sets live in parallel for a transition period — one for closing out FY 2025-26 obligations, the other for FY 2026-27 onward — and should confirm with its software vendor or compliance provider that both are supported before the Q1 FY 2026-27 due date.

A worked amendment: TDS on property bought from non-residents

The Income-tax (Fifth Amendment) Rules, 2026 (G.S.R. 830(E), notified 22 September 2026) show how the new Rules operate in practice. They prescribe the revised mechanics for resident individuals and HUFs buying immovable property from a non-resident seller to report and deposit TDS under the applicable section of the 2025 Act, effective from 1 October 2026. This is a narrow but high-frequency scenario — any resident buying a flat or land from an NRI seller — and the old-Rules procedure for the same transaction no longer applies to deals closing on or after that date. It is a useful illustration that the 2026 Rules will keep being amended piecemeal as compliance gaps surface, the same way the 1962 Rules were amended for six decades.

What to check now

Confirm which form numbering your return-filing software, TDS software and HR/payroll vendor currently support, and for which financial years. If you are a founder or NRI buying or selling Indian property, check which TDS regime applies to your specific closing date rather than assuming the rule that applied last year still does. And treat any single blog's form-number table as a starting point, not a filing position — verify against the CBDT's own FAQ release before relying on a specific new form number in an actual filing.

How Advisory Monks Consulting helps

Our Founders Tax Desk and Virtual CFO teams track CBDT form notifications as they land and keep clients' TDS and return-filing calendars current across both rulebooks during the transition. If you are unsure which form set applies to a specific filing, we are happy to check it before you file.

This note is general information, not individualised tax advice — form numbers and effective dates should be confirmed against the current CBDT notification before you rely on them in an actual filing.

This note is general guidance, not tax or legal advice. Positions depend on your specific facts — speak with a partner before acting.

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