In section 531(4) (enterprise management incentives: limitation of charge on exercise of qualifying option to acquire shares below market value), for the words after “which” substitute “ under section 478 (amount of charge under section 476) is to be regarded as the taxable amount for the purposes of section 476 in respect of the acquisition of the shares pursuant to the option. ”.

Sub-paragraph (1) has effect on and after the day appointed under paragraph 3(2).