Home2000 Treaties and Agreements ...Nicaragua (13044) – Agreement Concerning the Imposition of Import Restrictions on Archaeological Material from the Pre-Hispanic Cultures hide Nicaragua (13044) – Agreement Concerning the Imposition of Import Restrictions on Archaeological Material from the Pre-Hispanic Cultures TIAS Office of Treaty Affairs October 20, 2000 Cultural Exchanges, Property and Cooperation Agreement signed at Managua June 16, 1999; entered into force October 20, 2000. And extending and amending agreement. Effected by exchange of notes dated at Managua October 6 and 18, 2005; entered into force October 18, 2005; Effective October 20, 2005. With attachment. Download Attachment [729 KB] Tags Cultural Properties Nicaragua Treaties