OBS_VALUE: <ul><li><a href=https://treaties.un.org/Pages/ViewDetails.aspx?src=TREATY&mtdsg_no=X-10&chapter=10&lang=en target=_blank>United Nations Convention on Contracts for the International Sale of Goods(Convención de las Naciones Unidas sobre los Contratos de Compraventa Internacional de Mercaderías Viena, 11 April 1980, Entry into force 25 March 1999)</a></li></ul>