Income Tax Compliance Services (Income-tax Act, 2025)
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End-to-end income tax compliance under the new Income-tax Act, 2025 and the Income-tax Rules, 2026, for individuals, HUFs, firms, LLPs and companies: ITR filing, tax audit, TDS/TCS returns, advance tax and replies to income tax notices. Pending matters for earlier years continue to be handled under the Income-tax Act, 1961.
Income Tax Compliance under the New Income-tax Act, 2025
The Income-tax Act, 2025 has replaced the Income-tax Act, 1961 with effect from 1 April 2026. The concepts of “previous year” and “assessment year” are replaced by a single “tax year”, and most sections and forms have new numbers. The basic obligations remain the same: filing returns, deducting and depositing TDS, paying advance tax, getting accounts audited where required and responding to notices.
Income earned up to 31 March 2026 (FY 2025-26 and earlier) continues to be governed by the 1961 Act, while income from tax year 2026-27 onwards falls under the 2025 Act. We handle compliance under both, so nothing falls between the two laws.
Our Income Tax Compliance Services
Here is everything we handle for you, with section numbers under the new Act:
1. Return of Income – Section 263 (old Section 139)
- Filing of the appropriate ITR form (ITR-1 to ITR-7) for individuals, HUFs, firms, LLPs, companies and trusts according to the nature of income
- Due dates for tax year 2026-27 onwards: 31 July for individuals not having business income; 31 August for non-audit business and professional cases; 31 October for audit cases and companies; 30 November for transfer pricing cases
- Belated return: within 9 months from the end of the tax year (i.e. by 31 December), before assessment is completed
- Revised return: within 12 months from the end of the tax year
- Updated return (ITR-U): within the extended time window allowed under the new Act, on payment of additional tax
2. Tax Audit – Section 63 (old Section 44AB)
- Audit of books of accounts by a Chartered Accountant when business turnover or professional receipts cross the prescribed limits
- Preparation and upload of the tax audit report in new Form 26 (which replaces Forms 3CA, 3CB and 3CD)
3. TDS / TCS Compliance – Sections 393 to 397 (old Section 192 to 206C)
- All TDS provisions (old Sections 192 to 195, such as salary, rent, contract payments, professional fees and commission) are now consolidated in Section 393 with separate payment codes; TCS is covered by Section 394
- Deposit of TDS/TCS by the 7th of the following month (30 April for March) through the e-Pay Tax challan, using the new section codes
- Quarterly TDS/TCS statements under the Income-tax Rules, 2026: Form 138 (salary, earlier 24Q), Form 140 (resident non-salary payments, earlier 26Q), Form 144 (non-resident payments, earlier 27Q) and Form 143 (TCS, earlier 27EQ)
- Issue of TDS/TCS certificates: Form 130 (salary, earlier Form 16), Form 131 (non-salary, earlier Form 16A) and Form 133 (TCS, earlier Form 27D)
- Lower or no deduction declarations in Form 121 (earlier 15G/15H), corrections and resolution of TRACES defaults
4. Advance Tax – Sections 403 to 408 (old Section 207 to 211)
- Advance tax is payable where the net tax liability for the year, after TDS and TCS, is ₹10,000 or more (Section 404). Resident senior citizens without business or professional income are exempt
- Instalments under Section 408: 15% by 15 June, 45% by 15 September, 75% by 15 December and 100% by 15 March. Presumptive taxpayers pay the full amount by 15 March
- Interest at 1% per month for default or shortfall (Section 424, old 234B) and for deferment of instalments (Section 425, old 234C)
5. Assessment, Reassessment & Notice Management
- Regular review of the Annual Information Statement (AIS) and annual tax statement (Form 168, earlier 26AS) to match reported income
- Replies to intimations and scrutiny under Section 270 (old Section 143), inquiry notices under Section 268(1) (old Section 142(1)) and defective return notices
- Reassessment matters: show-cause procedure under Section 281 (old Section 148A) and notices under Section 280 (old Section 148)
- Best-judgement assessment under Section 271 (old Section 144), rectification and appeals
Transition rule: Returns, assessments and notices for FY 2025-26 and earlier years continue under the Income-tax Act, 1961 (with old section and form numbers). From tax year 2026-27 onwards, the Income-tax Act, 2025 and the Income-tax Rules, 2026 apply. Section numbers in brackets show the corresponding provisions of the 1961 Act.
Need help? Call or WhatsApp +91-9899129125, email opjhaom@gmail.com, or fill in the form above. Also see: Income Tax Return Filing | Return Filing (GST, TDS, ITR)
Frequently Asked Questions
The new Act applies from 1 April 2026. It replaces “previous year” and “assessment year” with a single “tax year” and renumbers sections and forms. For example, tax audit is now Section 63 (Form 26), return filing is Section 263, and TDS is consolidated in Section 393. Tax rates and basic obligations are largely the same.
Income of FY 2025-26 (AY 2026-27) and earlier years is governed by the Income-tax Act, 1961. The 2025 Act applies from tax year 2026-27 onwards.
31 July for individuals without business income, 31 August for non-audit business and professional cases, 31 October for audit cases and companies, and 30 November for transfer pricing cases.
Form 138 replaces 24Q (salary), Form 140 replaces 26Q (resident non-salary), Form 144 replaces 27Q (non-resident) and Form 143 replaces 27EQ (TCS). Form 130 and Form 131 replace Form 16 and Form 16A.
Anyone whose net tax liability for the year, after TDS and TCS, is ₹10,000 or more (Section 404). Instalments are due by 15 June, 15 September, 15 December and 15 March.
Check whether it is issued under the 1961 Act or the 2025 Act, the section and the reply deadline. Share the notice with us and we will prepare and file a proper reply on the e-filing portal.