Home2005 Treaties and Agreements ...Guatemala (05-420.1) – Agreement Amending the Agreement of September 20 and 27, 1974 Relating to Payment to the United States of the Net Proceeds from the Sale or Disposal of Defense Articles hide Guatemala (05-420.1) – Agreement Amending the Agreement of September 20 and 27, 1974 Relating to Payment to the United States of the Net Proceeds from the Sale or Disposal of Defense Articles TIAS Office of Treaty Affairs April 20, 2005 Defense: Assistance Agreement effected by exchange of notes at Guatemala January 20 and April 20, 2005; entered into force April 20, 2005. Download attachment [210 KB] Tags Defense Guatemala Treaties