You will be able to obtain a CAS if you are:
- resitting exams or repeating modules
- applying for the first time to a new institution to complete a course you started at an institution that lost its sponsorship status
- applying to extend your stay to complete your studies because you have done (or want to do) a work placement or study abroad programme
- completing a PhD or other doctorate that you started studying under your last Student visa
- applying after working as a student union sabbatical officer to complete a qualification you started studying under your last Student visa
- continuing your medical, dentistry or medical science degree after completing an intercalated course