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 citizenship in another country does not lose Chinese nationality. As Article 3 states that China does not recognize dual citizenship, under Chinese law the foreign nationality is not recognized. For example, in 2006, a Chinese citizen who was not settled in Guinea Bissau, but who acquired Guinea Bissau nationality (under local law) by virtue of an investment migration scheme, attempted to enter China on a Guinea Bissau passport and Chinese visa. Chinese border control confiscated the Guinea Bissau passport, on the basis that the person remained solely a Chinese citizen under Chinese law, and so it was illegal for that