UncategorizedMake a claim for R&D tax relief on your company tax return How to fill in your Company Tax Return to claim Corporation Tax relief on your Research and Development (R&D) project. Guidance: Goods Vehicle Movement Service codes for Data Element 5/23 of the Customs Declaration Service Guidance: Simplified Process for Internal Market Movements (SPIMM) and UK Carrier (UKC) Scheme: Additional Procedure Codes