Section 357TD | Tax credit: Northern Ireland supplementary deduction ignored
From legislation.gov.uk
For the purpose of determining the available loss of a company under section 1217CH of CTA 2009 (video game tax credit claimable if company has surrenderable loss) for any accounting period, any Northern Ireland supplementary deduction made by the company in the period (and any Northern Ireland supplementary deduction made in any previous accounting period) is to be ignored.