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 citizenship, he or she will be treated solely as a Chinese national when the person is physically present on PRC soil (including Hong Kong and Macao), as per Article 3 and the Master Nationality Rule. The basis of the loss and renunciation of Chinese nationality for dual citizenship holders is the same with sole Chinese citizenship holders per Article 9 and Article 10. Cases involving dual nationality is covered, although not explicitly stated, under the Nationality Law, which ensures the possibility for a person to have dual nationality of China and another country at birth in some circumstances. According to