Nationality law of the People's Republic of China East Asian nationals of Chinese ethnicity are not Chinese nationals (although some may qualify for nationality of Taiwan) through their Chinese grandparents. British National (Overseas), a status currently held by many Hong Kong residents, is considered a type of British nationality by countries other than China, nearly 3.4 million Hong Kong residents were registered as BN(O)s before the handover of Hong Kong. Most of those people also have Chinese nationality, making them one of the largest group of dual nationals in the world. Portugal has never created an various classes of nationals nor has Portugal revoked Portuguese citizenship from Portuguese
Nationality law of the People's Republic of China is not specified by rules, and it can take up to one year. In Hong Kong and Macau, the Immigration Department and the DSI handle the applications from the respective territories. Certain Chinese foreign missions also handle renunciation applications for Chinese residing abroad (mostly those in countries which require Chinese nationals to renounce their nationality prior to naturalization). A person who has forfeited or renounced his Chinese nationality can request to restore his Chinese nationality, according to Article 13 of the nationality law, if they have "legitimate reasons". The term "legitimate reasons" is also not further defined. Foreign nationality must