(1)The amount of a BLAGAB trade loss for an accounting period of an insurance company that is available for relief under—
(a)section 37 of CTA 2010 (as applied by section 123), or
(b)Part 5 of CTA 2010 (group relief) (as applied by section 125),
is to be reduced by the amount of any relevant non-trading deficit which the company has for the accounting period.
(2)The reference to a relevant non-trading deficit for an accounting period is a reference to the non-trading deficit which the company would have under section 388 of CTA 2009 (loan relationships and derivative contracts) if credits and debits given in respect of the company's creditor relationships (within the meaning of Part 5 of that Act) were ignored.