Section 357PA | R&D expenditure credit ...
From legislation.gov.uk
(1)This section applies where—
(a)a company is entitled to an R&D expenditure credit under Chapter 1A of Part 13 of CTA 2009 (R&D expenditure credits) for an accounting period in relation to a qualifying trade, and
(b)the company is a Northern Ireland company in the period.
(2)The R&D expenditure credit forms part of the mainstream profits or mainstream losses of the trade.