evidence: Pets travelling to GB from Northern Ireland, the Channel Islands or the Isle of Man are exempt from these rules. [...] The current, full pet travel rules are detailed on the UK government website and should be consulted in advance of making travel arrangements. [...] - you view the animal and its documentation before you buy - the animal if being purchased or rehomed from outside the UK must have an animal health certificate (a pet passport cannot be used for animals being purchased or rehomed from outside the UK).