evidence: This change in GB country status means there are additional documentary requirements, health preparations and checks for travelling with a pet from GB to NI, including rabies vaccination and an EU pet passport for NI travellers or an EU Health Certificate for GB travellers. [...] Since 1 January 2021, UK style EU Pet Passports issued in GB or NI up to 31 December 2020 are no longer valid. However, as NI remains part of the EU pet travel scheme, NI travellers can obtain a valid EU pet passport in NI to use as an alternative to an EU Health Certificate. [...] If you travel with an EU health certificate (EHC) rather than an EU pet passport, you should report to the travellers’ point of entry at time of arrival in NI, to have the EHC endorsed by Portal Officials, which will allow you to use the EHC for 4 months onwards travel into the EU.