Subject to section 144ZB, This section applies where—
If the option binds the grantor to sell—
If the option binds the grantor to buy—
To the extent that, by virtue of this section, the market value rule does not apply for determining an amount or value, the amount or value to be taken into account is (subject to section 119A) the exercise price.
In subsection (4) above "exercise price", in relation to an option, means the amount or value of the consideration which, under the terms of the option, is—
as a result of the exercise of the option (and does not include the amount or value of any consideration for the acquisition of the option (whether directly from the grantor or not)).
Subsections (5) and (6) of section 144 shall apply for the purposes of this section and sections 144ZB to 144ZD as they apply for the purposes of that section.