they have adopted to give effect to the present Protocol. Article 4 With respect to the States Parties to the Covenant that have made a declaration under article 41, the competence of the Human Rights Committee to receive and consider communications when a State Party claims that another State Party is not fulfilling its obligations shall extend to the provisions of the present Protocol, unless the State Party concerned has made a statement to the contrary at the moment of ratification or accession. Article 5 With respect to the States Parties to the first Optional Protocol to the International Covenant on Civil and Political Rights adopted on 16 December 1966, the competence of the Human Rights Committee to receive and consider communications from individuals subject to its jurisdiction shall extend to the provisions of the present Protocol, unless the State Party concerned has made a statement to the contrary at the moment of ratification or accession. Article 6 1. 2. The provisions of the present Protocol shall apply as additional provisions to the Covenant. Without prejudice to the possibility of a reservation under article 2 of the present Protocol, the right guaranteed in article 1, paragraph 1, of the present Protocol shall not 50