Evidence explained
UK immigration document library
Understand what common documents may help prove, what a decision-maker needs to see and why route-specific rules still control.
This library explains general document categories. It is not a checklist for a particular person and does not review evidence.
Identity
Documents
Finance
Health
Eligibility
Family
Partner and spouse relationship evidence
How official, financial and household records can help demonstrate a genuine and continuing relationship.
Understand this evidence →Evidence guideCohabitation and shared-address evidence
General categories of reliable records that may demonstrate living together over time.
Understand this evidence →Family finance
Study
Confirmation of Acceptance for Studies (CAS)
What the CAS is and why its course and sponsor details matter to a Student application.
Understand this evidence →Evidence guideAcademic Technology Approval Scheme (ATAS) certificate
When certain postgraduate subjects may require ATAS clearance before study or a visa application.
Understand this evidence →Study finance
Children
Sponsored work
Employers
Right-to-work check record
What employers should retain after completing the applicable right-to-work check.
Understand this evidence →Evidence guideSponsor record-keeping evidence
The personnel, recruitment and immigration records a licensed sponsor may need to retain.
Understand this evidence →Settlement
Life in the UK Test evidence
How the official test forms part of many settlement and citizenship applications.
Understand this evidence →Evidence guideAbsence and travel records for settlement
How a reliable record of travel can help test continuity and absence requirements.
Understand this evidence →