Nationality law of the People's Republic of China Concerning the Implementation of the Nationality Law of the People’s Republic of China in the Macau Special Administrative Region", its equivalent of Macau, although with an additional exception that permits Macau residents of mixed Portuguese and Chinese descent to choose their nationality. In practice, many overseas Chinese, who are of "Chinese descent", would not have been Chinese nationals but for the "Explanation", so this provision effectively bestowed Chinese nationality on any Hong Kong- or Macau-resident child who is of Chinese descent and was born in Hong Kong, Macau, Taiwan or mainland China, regardless of the nationalities of his parents, in
Nationality law of the People's Republic of China breaching, the basic principle of Chinese Nationality Law on non-recognition of dual nationality, and also because China regards foreign control of Hong Kong as illegitimate, thus refuses to recognize the British nationality bestowed on ethnic-Chinese people who were born or naturalized in Hong Kong. Legally speaking, Hong Kong residents with Chinese nationality do not lose their Chinese nationality automatically upon acquiring foreign one(s), because Hong Kong itself is not recognized as a foreign territory whether before or after 1 July 1997, and automatic loss of Chinese citizenship requires settlement in a foreign country. Persons with BN(O) or British Citizenship acquired