Article 5 Members shall cooperate with each other to ensure the prevention and elimination of all forms of forced or compulsory labour. Article 6 The measures taken to apply the provisions of this Protocol and of the Convention shall be determined by national laws or regulations or by the competent authority, after consultation with the organizations of employers and workers concerned. Article 7 The transitional provisions of Article 1, paragraphs 2 and 3, and Articles 3 to 24 of the Convention shall be deleted. Article 8 1. A Member may ratify this Protocol at the same time as or at any time after its ratification of the Convention, by communicating its formal ratification to the Director-General of the International Labour Office for registration. 2. The Protocol shall come into force twelve months after the date on which ratifications of two Members have been registered by the Director- General. Thereafter, this Protocol shall come into force for a Member twelve months after the date on which its ratification is registered and the Convention shall be binding on the Member concerned with the addition of Articles 1 to 7 of this Protocol. Article 9 1. A Member which has ratified this Protocol may denounce it whenever the Convention is open to denunciation in accordance with its Article 30, by an act communicated to the Director-General of the International Labour Office for registration. 2. Denunciation of the Convention in accordance with its Articles 30 or 32 shall ipso jure involve the denunciation of this Protocol. 3. Any denunciation in accordance with paragraphs 1 or 2 of this Article shall not take effect until one year after the date on which it is registered. 4