CIRD25150 | Intangible assets excluded from CTA09/PART8 as special tax rules apply: research and development and other computer software: overview
From HM Revenue & Customs · Corporate Intangibles Research and Development Manual
CTA09/PART8/S814 and S815
These exclusions cover:
In broad terms the purpose of these provisions is to ensure that:
relief for expenditure of this kind continues to be available outside CTA09/PART8; but
receipts from the exploitation of those assets are brought to account as income, whether under CTA09/PART8 or otherwise.