(1)Subject to subsection (2) below, the Tax Acts shall have effect as if sections 520 to 531, this section and section 533 were contained in Part I of the 1968 Act, and any reference in the Tax Acts to any capital allowance to be given “by way of discharge or repayment of tax and to be available or available primarily against a specified class of income” shall include a reference to any capital allowance given in accordance with subsection (2) or (3) of section 528.
(2)Schedule 7 to the 1968 Act (special provisions as to controlled sales) shall not (by virtue of subsection (1) above) apply with respect to expenditure incurred after 31st March 1986 on the purchase of patent rights.
(3)Subject to subsection (2) above, in Part I of the 1968 Act, as applied by virtue of subsection (1) above to patent rights, the sum referred to in paragraph 4(1)(a) of Schedule 7 to that Act (special provisions as to controlled sales) is the amount of any capital expenditure on the acquisition of the patent rights remaining unallowed, computed in accordance with the provisions of section 523.
(4)The reference in section 82(1) of the 1968 Act (certain payments not to be treated as capital expenditure) to any expenditure or sum in the case of which a deduction of income tax falls or may fall to be made under sections 348 to 350 does not include a sum in the case of which such a deduction falls or may fall to be so made by virtue of section 524(3)(b).
(5)In Part I of the 1968 Act as so applied to know-how—
(a)references in that Part to property and its purchase or sale include references to know-how and its acquisition or disposal;
(b)section 78, together with Schedule 7 to that Act (special provisions as to controlled sales), shall be omitted.