Nationality law of the People's Republic of China of the Ninth National People's Congress on December 29, 1998. Unlike the UK, Portugal did not have an overseas nationality, which means that residents of Macau had the same type of Portuguese nationality as those in Portugal. Unique provisions include clarification for individuals of both Chinese and Portuguese descent, who may choose either Chinese or Portuguese nationality without losing right to abode. Negotiations between China and Portugal over Macau were considerably smoother than those between the United Kingdom and China over Hong Kong, and in the former a pragmatic practical agreement was understood making double nationality possible "de facto" for
Nationality law of the People's Republic of China civil war, until it was revised in 2000 (see Nationality law of Taiwan for more details). From the establishment of the Communist regime on 1 October 1949 to 9 September 1980, China had no statutory nationality law except for the Sino-Indonesian Dual Nationality Treaty adopted in 1955, which was a bilateral treaty between China and Indonesia's Sukarno government instead of a statutory law. From the period between 1949 and 1955, China recognized dual nationality as did Taiwan, therefore the Treaty was the first regulation in Chinese history to ban dual nationality between China and other countries. On 10 September 1980,