442Amount or value of consideration given for shares or conversion
(1)This section applies for the purposes of section 439 (amount of charge) in determining the amount or value of the consideration given for the convertible shares, or for the interest in them, or for the conversion.
(2)Subject to the following provisions of this section, the consideration given for the convertible shares, or for the interest in them, is any consideration given in respect of the acquisition by—
(a)the employee, or
(b)if section 436(1)(c) applies, the person by whom the shares were, or interest was, acquired.
(3)The amount or value of the consideration given by a person for shares, or an interest in shares, includes the amount or value of any consideration given for a right to acquire the shares or interest.
(4)If any consideration is given partly in respect of one thing and partly in respect of another, the amount given in respect of the different things is to be determined on a just and reasonable apportionment.
(5)The consideration which for the purposes of this section is taken to be given wholly or partly for anything does not include the performance of any duties of, or in connection with, the office or employment by reference to which the shares or interest in question have been acquired by a person as a director or employee of a company.
(6)No amount is to be counted more than once in calculating the amount or value of any consideration.