Rabies vaccination validity periods differ by the manufacturer of the vaccine and the country where it was administered. If the brand of your pet's rabies vaccination was Nobivac, Canigen or Versiguard, and it was administered in the UK, then it is valid for 3 years from the date it was administered. If the brand was Rabisin, then it is only valid for 1 year, unless it was a booster Rabisin rabies vaccination (i.e. administered before the previous Rabisin vaccination had expired), in which case it is valid for 3 years. If your pet's rabies vaccination was administered in the EU, then it is most likely valid for one year only, regardless of which brand that was administered. If you are not sure whether your pet's rabies vaccination is still in date, contact your vet practice as they should have it on their record.