Section 143(1) → Section 159
Summary Assessment (Intimation)
Quick Answer
Section 143(1) of the Income Tax Act, 1961 (Summary Assessment (Intimation)) corresponds to Section 159 of the Income-tax Act, 2025, effective 1st April 2026. Status: Retained.
What changed for Section 143(1)
Under the Income Tax Act, 1961, Section 143(1) governs summary assessment (intimation). Automated processing of ITR by CPC to check for arithmetical errors and internal mismatches.
Under the Income-tax Act, 2025 (effective 1st April 2026), Section 143(1) is retained and renumbered as Section 159 of the Income-tax Act, 2025. Retained. The 'Intimation' is now the final order for 95% of taxpayers. Adjustments are limited to data already available in AIS/TIS.
The transition impact on Section 143(1) is assessed as Critical. The most frequent touchpoint between the Dept and the Taxpayer.
Sec 143(1)
Provision Summary
Automated processing of ITR by CPC to check for arithmetical errors and internal mismatches.
Sec 159
Provision Summary
Retained. The 'Intimation' is now the final order for 95% of taxpayers. Adjustments are limited to data already available in AIS/TIS.
Key Changes & Highlights
- Time limit for processing reduced to 9 months from the end of the FY in which return is filed.
Frequently Asked Questions
Which subject does Section 143(1) of the 1961 Act cover?
Section 143(1) of the Income Tax Act, 1961 covers summary assessment (intimation). Automated processing of ITR by CPC to check for arithmetical errors and internal mismatches.
What is the new section number for Section 143(1) under the Income-tax Act, 2025?
Section 143(1) of the Income Tax Act, 1961 maps to Section 159 of the Income-tax Act, 2025, effective 1st April 2026 (status: Retained). Retained. The 'Intimation' is now the final order for 95% of taxpayers. Adjustments are limited to data already available in AIS/TIS.
How does the Income-tax Act, 2025 affect Section 143(1) in practice?
The transition impact for Section 143(1) is rated Critical. The most frequent touchpoint between the Dept and the Taxpayer.
What is new about Section 143(1) under the Income-tax Act, 2025?
Time limit for processing reduced to 9 months from the end of the FY in which return is filed. These points are specific to Section 143(1) (Summary Assessment (Intimation)).
Disclaimer: This mapping of Section 143(1) (Summary Assessment (Intimation)) to Section 159 of the Income-tax Act, 2025 is for educational and reference purposes only, based on publicly available drafts and circulars. As Section 143(1) is currently marked Retained, always confirm its treatment with a qualified Chartered Accountant before filing or making compliance decisions.
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