A horse should only have one passport, so you need to do everything you can to check that it has not been issued with a passport previously before applying for a New Passport. Check the microchip at www.equineregister.co.uk
If you know the breeding of your horse (Sire & Dam) then you should contact a breed society as our passports are intended for horses of no known breeding.
To get a passport you will need to arrange for your vet to visit and complete this application form or request a form by post.
You can then either:
or