Home2006 Treaties and Agreements ...Greece (06-413) – Amendment to Agreement of August 31, 1976 Regarding Defense Assistance hide Greece (06-413) – Amendment to Agreement of August 31, 1976 Regarding Defense Assistance TIAS Office of Treaty Affairs April 13, 2006 Defense: Assistance Agreement amending the agreement of August 31, 1976. Effected by exchange of notes at Athens December 27, 2004 and April 13, 2006; entered into force April 13, 2006. Download attachment [260 KB] Tags Defense Greece Treaties