Home2009 Treaties and Agreements ...Hong Kong (09-1109) – Protocol Concerning Scientific and Technical Cooperation in Earth Sciences hide Hong Kong (09-1109) – Protocol Concerning Scientific and Technical Cooperation in Earth Sciences TIAS Office of Treaty Affairs November 9, 2009 Scientific and Technological Cooperation: Earth Sciences Protocol signed at Hong Kong November 9, 2009; entered into force November 9, 2009. Download attachment [337 KB] Tags Hong Kong Scientific and Technological Cooperation Treaties