Home2015 Treaties and Agreements ...Nicaragua (15-915.1) – Agreement Amending and Extending Agreement of June 16, 1999 Regarding Cultural Property hide Nicaragua (15-915.1) – Agreement Amending and Extending Agreement of June 16, 1999 Regarding Cultural Property TIAS Office of Treaty Affairs September 15, 2015 Cultural Exchanges, Property and Cooperation Agreement amending and extending the agreement of June 16, 1999 (13044 [729 KB]). Effected by exchange of notes at Washington September 8 and 15, 2015; entered into force September 15, 2015; with effect from October 20, 2015. Download attachment [330 KB] Tags Cultural Properties Nicaragua Treaties