Part 2Trading income
Chapter 15Basis periods
Overlap profits and losses
206Restriction on bringing losses into account twice
If a loss arises in, or is apportioned under section 203 to, two overlapping basis periods, the amount of the loss—
(a)
is brought into account in calculating the profits of the first basis period, and
(b)
is not brought into account in calculating the profits of the second basis period.