The computation in ITEPA03/S428 (1) is based on unrestricted market value at time of chargeable event. Where there is a disposal of restricted securities and the employee receives less than the actual market value the answer given by the formula in ITEPA03/S428 (1) is modified by ITEPA03/S428 (9) by multiplying it by the following formula:
| CD | |
| AMV |
where:
The above adjustment is not available if something which affects the employment-related securities has been done (at or before the time of the chargeable event) as part of a scheme or arrangement the main purpose (or one of the main purposes) of which is the avoidance of tax or national insurance contributions.
