Constitution and Amendments
The Constitution of the International Labour Organisation (Constitution and selected texts (Ed. 2012) - (pdf 862 kB)) is an international treaty which established the Organization. The original ILO Constitution was included in the Treaty of Versailles (1919) as Part XIII of the Treaty - (pdf 279kB).
Instrument of Amendment, 1997 of the ILO Constitution
At its 85th Session (June 1997), the International Labour Conference adopted an Amendment to the Constitution of the International Labour Organisation, by which the Conference may, acting on a proposal of the Governing Body through a majority of two-thirds of the votes cast by the delegates present, abrogate any Convention if it appears that the Convention has lost its purpose or that it no longer makes a useful contribution to attaining the objectives of the Organisation.
Ratifications of the 1997 Constitutional Amendment
The latest ratification of the Constitution of the International Labour Organisation Instrument of Amendment, 1997, was registered on 8 October 2015. As the total number of ratifications and acceptances (pdf 37 kB) is 124, i.e. two thirds of the ILO member States, including seven by member States of chief industrial importance (Brazil, China, France, India, Italy, Japan and United Kingdom), the 1997 Constitutional Amendment took effect as of that date.
Previous Constitutional Amendments