Home1997 Treaties and Agreements ...Guatemala (97-929) – Memorandum of Understanding Concerning the Imposition of Import Restrictions on Archaeological Objects and Material from the Pre-Columbian Cultures of Guatemala hide Guatemala (97-929) – Memorandum of Understanding Concerning the Imposition of Import Restrictions on Archaeological Objects and Material from the Pre-Columbian Cultures of Guatemala TIAS Office of Treaty Affairs September 29, 1997 Cultural Property Memorandum of understanding signed at Washington September 29, 1997; entered into force September 29, 1997. With appendix. Agreement extending the memorandum of understanding. Effected by exchange of notes at Washington September 20 and 23, 2002; entered into force September 23, 2002. Agreement extending and amending the memorandum of understanding, as extended. Effected by exchange of notes at Guatemala August 23 and 24, 2007; entered into force August 24, 2007. Download attachment [4 MB] Tags Cultural Properties Guatemala Treaties