An equine is only allowed one passport issued by a UK-based PIO, but there are several reasons why it might accidentally have acquired more, such as:

  1. The equine was bought and sold previously without any documents so the new owner applied for a passport with a new PIO not realising that one already existed. This used to happen frequently before the Central Equine Database was established because there used to be no way to check. Now, owners can check if an equine already has a passport by using the National ChipChecker.  
  2. The owner originally registered the equine with an ID-only PIO, but then decided to enter the equine in breed-specific events. Rather than cancel the ID-only passport or have the ID-only passport ‘Overstamped’ by the breed society as required by law, the owner applied for a new breed society passport.  
  3. The equine is a cross-breed so can compete in two or more breed-specific events. Rather than ‘Overstamp’ the original breed society passport, the owner applied for a new breed society passport.  
  4. The equine was imported on a passport Issued by an EU PIO. Rather than register the EU passport with a UK PIO as legally required if the equine is in the country for 30 days or more, the owner applied for a new Passport.  

Other related articles

What do I do if my equine has more than one passport?

What should I do if the information in my equine/horse passport doesn’t match the National ChipChecker?

What does 'Overstamp' mean?


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This information is provided by Equine Register for the purposes of basic information sharing and guidance. However, any information provided cannot and must not be relied upon and independent opinion should be sought. 

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