evidence: The UK passport is a key biometric travel document issued to British nationals. British passport holders have the right to live, work, and study in any country within the United Kingdom. The passport provides visa-free access to 172 countries, which includes European Union countries and most nations in Asia, the Americas, and Africa. [...] The His Majesty’s Passport Office (HMPO) is the designated authority that issues passports and provides passport services to UK citizens. There are multiple categories within British nationality law; for that reason, Great Britain issues several types of UK passports with different nationality codes. The kind of passport a UK national receives depends on the classification of their citizenship. [...] UK passports function as both an insurance policy and a way of unlocking new opportunities for the holder and their family. British passport holders enjoy a host of lifelong benefits.