what is an overseas passport
The British National (Overseas) passport, commonly referred to as the BN(O) passport, is a British passport for holders of the nationality British National (Overseas) (BN(O)).The passport was first issued in 1987 after the Hong Kong Act 1985, from which this new class of British nationality was created.he cover of British National (Overseas) passport was originally blue, as in all other types of British passport. Early residents of Hong Kong were Citizen of the United Kingdom and Colonies and their relevant passports bore the texts 'British Passport' at the top and 'Hong Kong' at the bottom of the cover.