evidence: ...The Government of the Portuguese Republic confirms that Macau, as an associate member of ESCAP, is authorized to be a party to the Constitution of the Asia Pacific Telecommunity and to assume the rights and obligations contained therein. ... In accordance with the Joint Declaration of the Government of the Portuguese Republic and the Government of the People's Republic of China on the Question of Macau signed in Beijing on April 13, 1987, the People's Republic of China will resume the exercise of sovereignty over Macau from December 20 1999, while the Government of the Portuguese Republic remains responsible for the external relations of Macau until December 19, 1999. [...] In accordance with the Joint Declaration of the Government of the People's Republic of China and the Government of the Republic of Portugal on the Question of Macau signed in Beijing on 13 April 1987, the People's Republic of China will resume the exercise of sovereignty over Macau as of 20 December 1999. Macau, as a part of the territory of the People's Republic of China, will thereupon become a special administrative region of the People's Republic of China and its foreign affairs will be the responsibility of the People's Republic of China. [...] The Government of the People's Republic of China hereby declares that as of 20 December 1999, the Macau Special Administrative Region of the People's Republic of China may continue to stay in the Asia Pacific Telecommunity as an associate member in the name o "Macau, China" as it still meets the essential requirements for such a membership."