Home1999 Treaties and Agreements ...Nicaragua (99-310) – Memorandum of Understanding Concerning Scientific Cooperation in the Earth and Mapping Sciences hide Nicaragua (99-310) – Memorandum of Understanding Concerning Scientific Cooperation in the Earth and Mapping Sciences TIAS Office of Treaty Affairs March 10, 1999 Scientific Cooperation Memorandum of understanding signed at Reston and Managua March 4 and 10, 1999; entered into force March 10, 1999. With annexes. Agreement amending and extending the memorandum of understanding. Signed at Reston and Managua May 24 and June 25, 2004; Entered into force June 25, 2004. Download Attachment [459 KB] Tags International Law, Treaties, and Agreements Nicaragua Science and Technology