Home1999 Treaties and Agreements ...Uzbekistan (99-504) – Defense Assistance Agreement hide Uzbekistan (99-504) – Defense Assistance Agreement TIAS Office of Treaty Affairs May 4, 1999 Defense: Assistance Effected by Exchange of Notes at Tashkent March 18 and May 4, 1999; entered into force May 4, 1999. Download agreement [416 KB] Tags Defense Treaties Uzbekistan