163(1) This section applies for the purpose of calculating the profits of a trade, profession or vocation carried on by an intermediary who is treated as making a deemed employment payment in connection with the trade, profession or vocation.
163(2) A deduction is allowed for–
(a)the amount of the deemed employment payment, and
(b)the amount of any employer's national insurance contributions paid by the intermediary in respect of it.
163(3) The deduction is allowed for the period of account in which the deemed employment payment is treated as made.