(1)The fraction mentioned in subsection (2) of section 95 of the [1972 c. 41.] Finance Act 1972 (marginal relief for small companies) shall for the financial year 1978 be three-twentieths.
(2)For the financial year 1978 and subsequent financial years subsection (3) of the said section 95 shall have effect with the substitution for any reference to £50,000 of a reference to £60,000 and with the substitution for any reference to £85,000 of a reference to £100,000.
(3)Where by virtue of subsection (2) above the said section 95 has effect with different relevant amounts in relation to different parts of the same accounting period, those parts shall be treated for the purposes of that section as if they were separate accounting periods and the profits and income of the company for that period (as defined in that section) shall be apportioned between those parts.