Home2021 Treaties and Agreements ...Serbia (21-602) – Protocol to Amend and Extend Science and Technology Cooperation Agreement of April 23, 2010 hide Serbia (21-602) – Protocol to Amend and Extend Science and Technology Cooperation Agreement of April 23, 2010 TIAS Office of Treaty Affairs June 2, 2021 Scientific and Technical Cooperation Signed at Idvor March 3, 2021; entered into force June 2, 2021. Extension of agreement signed April 23, 2010. Download Agreement [753 KB] Tags Scientific and Technological Cooperation Serbia Treaties