Charge of tax where share of beneficiaries unknown
(1)
Subject to the other provisions of this section, the income or any 25 part thereof, in respect of the person mentioned in sections 303sections 303(1)(c) and (d) shall be chargeable to tax at the maximum marginal rate, if––
(2)
The income or any part thereof as referred to in sub-section (1), shall be chargeable to tax at the rate applicable to an association of persons, if,—
(3)
Subject to the provisions of sub-section (4), where the income in respect of the person mentioned in section 303section 303(1)(d) consists of, or includes, profits and gains of business, tax shall be charged at the maximum marginal rate on the whole of the income.
(4)
Where the profits and gains referred to in sub-section (3) are receivable under a trust declared by any person by will exclusively for the benefit of any relative dependent on him for support and maintenance, and such trust is the only trust so declared by him, tax shall be charged at the rate applicable to an association of persons.
(5)
For the purposes of this section,––
(b)
the individual shares of the persons on whose behalf or for whose benefit such income or such part thereof is received shall be deemed to be indeterminate or unknown unless the individual shares of the persons on whose behalf or for whose benefit such income or such part thereof is receivable, are expressly stated in the order of the court or the instrument of trust or wakf deed and are ascertainable as such on the date of such order, instrument or deed.