Please do not complete an application without referring to the guidance available at:
www.gov.uk/academic-technology-approval-scheme
Failure to follow the guidance may delay your application

To check if you need an ATAS certificate you will need to know the CAH3 code that applies to your course or research. Your Higher Education Institute (HEI) or employer will either include this on your official offer letter or will be able to confirm it for you separately.