HMRC
The process for claiming R&D relief will change from April 2021
From 1st April 2021, HMRC have confirmed that all companies will be required to complete a supplementary page when claiming for the following: Small and medium-sized enterprises (SME) Research and Development Relief SME Payable Tax Credit SME Research and Development Expenditure Credit The supplementary page (CT600L) will need to be completed when submitting the corporation