Notification under section 10(23C)(iv): tax recognition conditional on application of income, permitted investments, and separate business accounts.
Central government notification under section 10(23C)(iv) notifies Bharatiya Bhasha Parishad, Calcutta for assessment years 1990-91 to 1992-93, on condition that income is applied or accumulated wholly for its objects; funds are invested only in forms or modes permitted for charitable income (voluntary contributions kept in kind excepted); and business income is excluded unless incidental and accounted for in separate books.

Approval under section 35(1)(ii): institutional recognition with conditions for separate research accounts, annual returns and tax filing.
Approval under section 35(1)(ii) of the Income-tax Act, 1961 was granted to the Assam Science Society, Gauhati, as an Association in the field of natural and applied sciences, subject to maintaining a separate account for research receipts, furnishing annual returns of scientific research activities to the prescribed authority by 30 April each year, and submitting annual returns and statement of accounts to the Commissioner of Income-tax, Gauhati; the notification specifies a three-year effective period.