IV - TAX INCENTIVES
Deductions from gross total income from ordinary sources.
68. (1) A person shall be allowed the deductions specified in this Sub-chapter from his ''gross total income from ordinary sources'', for the financial year.
(2) The aggregate amount of the deductions under this Sub-chapter shall not exceed the 'gross total income from ordinary sources', for the financial year.
(3) Any sum, which qualifies for a deduction under this Sub-chapter in any financial year, shall not qualify for deduction—
(a) under any other provision of this Code for the same or any other financial year; or
(b) in the case of any other person.
(4) The provisions of sub-section (3) shall apply whether full deduction of the sum referred to therein has been allowed or not.