171 Relief from tax.U.K.
M1(1)One half of any profit-related pay to which this section applies shall be exempt from income tax.
(2)This section applies to any profit-related pay paid to an employee by reference to a profit period and in accordance with a registered scheme, but only so far as it does not exceed the lower of the two limits specified in the following provisions of this section.
(3)The first of the limits referred to in subsection (2) above is one fifth of the aggregate of—
(a)the pay (but not any profit-related pay) paid to the employee in the profit period in respect of his employment in the employment unit concerned (or, if the employee is eligible to receive profit-related pay by reference to part only of the period, so much of his pay, but not any profit-related pay, as is paid in that part); and
(b)the profit-related pay paid to him by reference to that period in respect of that employment.
(4)The second of the limits referred to in subsection (2) above is [F1£4,000] (or, if the profit period is less than 12 months, or the employee is eligible to receive profit-related pay by reference to part only of the profit period, a proportionately reduced amount).