Annex 3 to the Treaty on Economic and Technical Cooperation Has Been Confirmed March 7, 2020 On February 29, 2020 the National Assembly of the Republic of Serbia finally confirmed Annex 3 to the Treaty on Economic and Technical Cooperation in the Field of Infrastructure between the Government of the Republic of Serbia and the Government of the Peoples Republic of China signed on May 16, 2017 in Beijing. Here you may read the subject Annex 3 and also the texts of the treaty and its Annex 1 and Annex 2.