2. Your Passport Issuing Organisation (PIO) may not have been told about the microchip. Find out more
You can request that your passport issuing organisation adds your Microchip to the Central Equine Database (CED). To do this online you will need to create a Digital Stable account, verify your identity and address and then claim your equine passports. Whilst claiming you can make updates and add additional information such as Microchips to the CED. Create free Digital Stable account
3. Your PIO isn't one of the 81 currently being checked by the National ChipChecker - See all unsupported PIO's