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 Overseas citizen of British nationality, in that there is very little provision for the acquisition of British Overseas citizenship after 1983; and with the passage of time the category will become extinct. However, when Hong Kong reverted to Chinese rule in 1997, Hong Kong BDTCs who had not applied for the status of British National (Overseas), and who were not already considered Chinese citizens by the PRC government at the time of the handover (such as Indians and other non-Chinese), became British Overseas citizens. As British Overseas citizenship is a "mop-up" category for CUKCs who did not acquire British citizenship or BOTC