General information, not a personal recommendation
This page identifies the public process and questions to check. It cannot confirm a deadline, preserve immigration status or determine the correct remedy for an individual case.
01
Start here
Four immediate checks
- 1
Check the course CAH3 code with the provider
- 2
Use the official ATAS checker
- 3
Apply before the visa where required
- 4
Allow enough time for processing
Keep control of the facts
Build a reliable record
Keep the complete decision, application, status record, correspondence and dates together. Use the current official page rather than screenshots or social-media summaries.
Avoid preventable harm
Important risks
- ATAS is separate from CAS and visa approval
- Some researchers also need ATAS
- Course changes may require a new certificate
Official starting point
Open the current government process
Personal circumstances?
Verify a regulated professional →Know when a guide is no longer enough
Eligibility assessments, evidence reviews, application preparation and representation should be handled by a suitably regulated professional.