This paragraph relates to the operation of section 479 (amount of gain realised by exercising option) in relation to a share option obtained before 6th April 2003.

For the purposes of section 479(1), if an amount was chargeable to tax under section 185(6) of ICTA (charge where option under approved share option scheme granted at a discount) in respect of the share option, so much of that amount as is attributable to the shares in question is a deductible cost.