Part 2Trading income
Chapter 2Income taxed as trade profits
Charge to tax on trade profits
F17AApportionment etc of profits to tax year
(1)
(2)
Any of the following steps may be taken if they are necessary in order to arrive at the profits or losses of the trade of the tax year—
(a)
apportioning the profits or losses of a period of account to the parts of that period falling in different tax years, and
(b)
adding the profits or losses of a period of account (or part of a period) to profits or losses of other periods of account (or parts).
(3)
The steps must be taken by reference to the number of days in the periods concerned.
(4)
But the trader may use a different way of measuring the length of the periods concerned if—
(a)
it is reasonable to do so, and
(b)
the way of measuring the length of periods is used consistently for the purposes of the trade.