SCHEDULE 19C
Part 4Post-commencement supplement
Ring fence losses
17
(1)
If—
(a)
in any post-commencement period (“the period of the loss”) a qualifying company carrying on a ring fence trade incurs a loss in the trade, and
(b)
some or all of the loss falls to be set off under section 393 against trading income from the trade in succeeding accounting periods,
so much of the loss as falls to be so set off is a “ring fence loss” of the company.
(2)
In determining for the purposes of this Part of this Schedule how much of a loss incurred in a ring fence trade falls to be set off as mentioned in sub-paragraph (1)(b), the following F1assumptions are to be made.
(3)
F2The first assumption is that every claim is made that could be made by the company under section 393A to set losses incurred in the ring fence trade against ring fence profits of earlier post-commencement periods.
F3(3A)
The second assumption is that (where appropriate) section 393B applies in relation to every such claim under section 393A.
(4)
This paragraph is subject to paragraph 18 (special rule for straddling periods).
(5)
This paragraph has effect for the purposes of this Part of this Schedule.