Extradition Treaty Signed: Entered into Force: — Citation ; with: (if any): Tonga December 22, 1931 June 24, 1935 47 Stat. 2122 : Tonga September 13, 1977 28 UST 5290 Trinidad-Tobago March 6, 1996 Nov. 3, 1999 ; Turkey June 7, 1979 January 1, 1981 32 UST 3111 Tuvalu June 8, 1972 January 21, 1977 28 UST 227 Tuvalu April 25, 1980- 32 UST 1310 United Kingdom June 8, 1972 January 21, 1977 28 UST 227 . United Kingdom Protocol June 25, 1985 . December 23, 1986 United Kingdom . March 31, 2003 Pending Uruguay April 6, 1973 April 11, 1984 TIAS 10850 Venezuela January 19, 1922 April 14, 1923 43 Stat. 1698 Yugoslavia October 25, 1901 June 12,1902 - 32 Stat. 1890 ; Zambia December 22, 1931 June 24, 1935 47 Stat. 2122 Zimbabwe July 25, 1997 April 26, 2000 * Under Treaty with United Kingdom. ; ** Under Treaty with Yugoslavia which entered into force in 1902. + Considered a Treaty in Force by U.S., but not by Colombia _ - ~ HOUSE_OVERSIGHT_021470