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Knowledge Bank / Income-tax Act, 2025 / Chapter XVII - SPECIAL PROVISIONS RELATING TO CERTAIN PERSONS

Section 343

Section 343: deemed accumulated income

Section 343 deals with the 15% of regular income a registered non-profit organisation is allowed to retain without applying or formally accumulating it under Section 342 - the Act treats this residual amount as "deemed accumulated income" and, if it is invested, requires it to follow the Section 350 investment rules.

What Section 343 says

Sub-section (1): the regular income, as reduced by the application of income under Section 341 and the income accumulated or set apart under Section 342, to the extent of 15% of regular income, is considered deemed accumulated income - and where such deemed accumulated income is invested or deposited, it must be invested or deposited in a mode permitted under Section 350.

Sub-section (2): deemed accumulated income under this section is not considered accumulated income for the purposes of Section 342 - it is a separate concept and does not need the Section 342(1) statement or the 5-year accumulation procedure.

Frequently asked questions

Does the 15% of regular income that isn't applied need a Section 342 accumulation statement?

No - Section 343(2) clarifies that deemed accumulated income (the 15% retained without being applied or formally accumulated) is not treated as accumulated income for the purposes of Section 342, so the Section 342 filing and 5-year procedure does not apply to it.

If the deemed accumulated income is invested, where must it go?

It must be invested or deposited in one of the modes permitted under Section 350.

Related sections

  • Section 336 - taxable regular income
  • Section 341 - application of income
  • Section 342 - accumulated income
  • Section 350 - permitted modes of investment

Want this applied to your actual filing, not just explained?

Understand your organisation's 15% deemed accumulated income

Last updated 9 September 2026

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