29. (3) Thereafter, this Convention shall come into force for any Member twelve months after the date on which the ratification has been registered. Article 29 29, As soon as the ratifications of two Members of the International Labour Organisation have been registered with the International Labour Office, the Director-General of the International Labour Office shall so notify all the Members of the International Labour Organisation. He shall likewise notify them of the registration of ratifications which may be communicated subsequently by other Members of the Organisation. Article 30 30. (1) A Member which has ratified this Convention may denounce it after the expiration of ten years from the date on which the Convention first comes into force, by an act communicated to the Director-General of the International Labour Office for registration. Such denunciation shall not take effect until one year after the date on which it is registered with the International Labour Office. 30. (2) Each Member which has ratified this Convention and which does not, within the year following the expiration of the period of ten years mentioned in the preceding paragraph, exercise the right of denunciation provided for in this Article, will be bound for another period of five years and, thereafter, may denounce this Convention at the expiration of each period of five years under the terms provided for in this Article. Article 31 31. At such times as it may consider necessary the Governing Body of the International Labour Office shall present to the General Conference a report on the working of this Convention and shall examine the desirability of placing on the agenda of the Conference the question of its revision in whole or in part. Article 32 32. (1) Should the Conference adopt a new Convention revising this Convention in whole or in part, the ratification by a Member of the new revising Convention shall ipso jure involve denunciation of this Convention without any requirement of delay, notwithstanding the provisions of Article 30 above, if and when the new revising Convention shall have come into force. 32. (2) As from the date of the coming into force of the new revising Convention, the present Convention shall cease to be open to ratification by the Members. 32. (3) Nevertheless, this Convention shall remain in force in its actual form and content for those Members which have ratified it but have not ratified the revising convention.