Yes, dogs (and cats) can have official "Pet Passports," though the terminology and requirements vary by region. In the European Union, the EU Pet Passport is a standardized blue booklet that contains the animal's microchip number, vaccination records (especially Rabies), and a clinical examination stamp from a vet. This document allows for relatively seamless travel between EU member states. For travelers from the United States or UK, the process is more complex; instead of a "passport," they typically require an International Health Certificate (Form 7001 or IHC) signed by a USDA-accredited vet and often endorsed by the government. This certificate must be issued within a very tight window (often 10 days) before travel. Some countries, like Japan or Australia, have much stricter requirements including blood tests and mandatory quarantine periods regardless of the "passport" status. Essentially, while it’s called a passport, it functions more as a portable, certified medical record required to bypass border controls.