It has not been possible to comply with the 28 day rule because the need to extend the ability to administer the ELISA test beyond 1 October 2022 has become apparent during the 1 Fluorescent Antibody Virus Neutralisation (FAVN) Tests (defra.gov.uk) Sa ugh t o n Ho u s e , Br o o m ho u s e Driv e , Ed inb u r gh EH1 1 3 XD a b c d abcdefg α w w w .go v .s co t summer recess. Whilst the initial influx of refugees and their pets from Ukraine has diminished, extending this provision will significantly speed up the rabies testing process at a time when the system still faces a significant backlog.