BKLM245000 - Relevant entities and groups: banking groups: relevant foreign banks
Paragraph 78 of Schedule 19
An entity will be a ‘relevant foreign bank’ if it is not resident in the UK, but it does meet the other conditions for being a UK resident bank (see BKLM243000) (subject to certain adjustments to the rules in respect of branches) and trades in the UK through a permanent establishment in the UK.