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 birth (Article 5). He may acquire additional nationality (nationalities) at birth through "jus soli", if born in a "jus soli" country; or from his other parent (if only one parent was a Chinese national) through "jus sanguinis"; or both. Article 5 is applicable to children holding Chinese Travel Documents, mostly children of birth tourists, and serves as the legal basis of these children's Chinese nationality. A person who was born in Mainland China, Hong Kong or Macau to one Chinese-national parent is a Chinese national at birth (Article 4). If his other parent is a non-Chinese national, he might acquire