1. See Simpson (note 16), at 68 et seq.; Alston (note 43), at 445.
2. In 1997 the International Labour Conference adopted an amendment to the ILO Constitution, which would allow for the abrogation of a convention in force but recognized as obsolete if two-thirds of delegates voted for such a measure. This amendment has been ratified by more than 80 states but still falls short of the requirements for entering into force. Available at: http://www.ilo.org.
3. In addition, the notion of harmful child labour is narrower than the ILO approach which is aimed at the elimination of child labour.
4. Of the prior 185 conventions, Nos 4, 15, 20, 21, 28, 31, 34–40, 43, 46, 48–51, 60, 61, 64–67, 86, 91 and 104 have been withdrawn. Of the 195 Recommendations, Nos. 1, 5, 11, 15, 37–39, 42, 45, 50, 51, 54, 56, 59, 63–66, 72 and 73 have been withdrawn. See Kaufmann (note 6), at 51; Brian A. Langille, Core Labour Rights – The True Story (Reply to Alston), 16 European Journal of International Law 425 (2005).
5. Art. 19(5)(b) ILO Constitution, text available at: https://www.ilo.org (last visited 3 June 2008).