1 ter. Supplementary Convention on the Abolition of Slavery, the Slave Trade and Institutions and Practices Similar to Slavery (1956)

The supplementary Convention on the Abolition of Slavery, the Slave Trade, and Institutions and Practices
Similar to Slavery was adopted by a Conference of Plenipotentiaries convened by Economic and Social Council resolution 608(XXI) of 30 April 1956 and done at Geneva on 7 September 1956.

It entered into force on 30 April 1957, in accordance with article 13. 

This instrument is administered by the Office of the High Commissioner for Human Rights.