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The States party to this Protocol (hereinafter referred to as "the Contracting States"), even where they are not party to the Madrid Agreement Concerning the International Registration of Marks as revised at Stockholm in 1967 and as amended in 1979 (hereinafter referred to as "the Madrid (Stockholm) Agreement"), and the organizations referred to in Article 14.1)b) which are party to this Protocol (hereinafter referred to as "the Contracting Organizations") shall be members of the same Union of which countries party to the Madrid (Stockholm) Agreement are members. Any reference in this Protocol to "Contracting Parties" shall be construed as a reference to both Contracting States and Contracting Organizations.