An ETA will be required for all travellers who:
- Do not need a visa to enter the UK; and
- Do not have existing immigration permission (e.g., a visa, or permission to work, live, or study in the UK).
Exemptions include:
- Holders of a UK or Irish passport.
- Residents of Ireland, Guernsey, Jersey, or the Isle of Man (in most cases).
- Anyone with valid entry clearance or UK immigration permission.