Home2010 Treaties and Agreements ...Nicaragua (10-1020) – Agreement to Extend and Amend the Agreement Concerning the Imposition of Import Restrictions on Archaeological Materials from the Pre-Hispanic Cultures of Nicaragua hide Nicaragua (10-1020) – Agreement to Extend and Amend the Agreement Concerning the Imposition of Import Restrictions on Archaeological Materials from the Pre-Hispanic Cultures of Nicaragua TIAS Office of Treaty Affairs October 20, 2010 Cultural Exchanges, Property and Cooperation Agreement amending and extending agreement of June 16, 1999 (13044 [729 KB]). Agreement effected by exchange of notes at Managua October 4 and 13, 2010; entered into force October 20, 2010. Download attachment [341 KB] Tags Cultural Properties International Law, Treaties, and Agreements Nicaragua