British Overseas Territories and coat of arms by the British monarch. Traditionally, the flags follow the Blue Ensign design, with the Union Flag in the canton, and the territory's coat of arms in the fly. Exceptions to this are Bermuda which uses a Red Ensign; British Antarctic Territory which uses a White Ensign; British Indian Ocean Territory which uses a Blue Ensign with wavy lines to symbolise the sea; and Gibraltar which uses a banner of its coat of arms (the flag of the city of Gibraltar). Akrotiri and Dhekelia and Saint Helena, Ascension and Tristan da Cunha are the only British overseas
British National (Overseas) passport to one year (12 months). British National (Overseas) status is not recognized by the Government of China, so BN(O) passports are not recognized by Mainland China ports of entry controlled by Ministry of Public Security. Plus, the Government of Hong Kong does not allow BN(O)s' withdrawal of Chinese citizenship pursuant to the Nationality law of the People's Republic of China. Therefore, BN(O)s who wish to visit Mainland China must obtain Mainland Travel Permit for Hong Kong and Macao Residents in advance. Like Hong Kong SAR passport holders, BN(O)s must obtain ″Exit & Entry Permit″ which can be obtained either online