The Director-General invites intergovernmental branding organisations, of which at least one of the Member States is part of this agreement, to represent themselves by observers at the expert committee meetings. Any decision considered by one-fifth of the countries represented and having the right to vote as the basic structure of the classification of effigies or with a significant part of the reclassification is subject to a majority of three quarters of the countries represented and having the right to vote. When a country entrusts the registration of trademarks to an intergovernmental authority, it takes all possible measures to ensure that that authority uses the classification of image elements in accordance with this article. Subject to paragraph 1 of paragraph 1 opposite, determine which countries are not members of the Special Union and which international intergovernmental and non-governmental organizations are admitted to their meetings as observers, as well as the committees or working groups it establishes; The Vienna Convention, concluded in Vienna in 1973 and amended in 1985, provides for a classification (the Vienna classification) for trademarks containing or containing image elements. German Democratic Republic: “The Government of the German Democratic Republic takes this opportunity to reaffirm, referring to paragraphs 3 and 4 of Article 12 of the Convention establishing an international classification of the image elements of the marches, that the requirements of the Declaration on the Granting of Independence to Colonial Countries and Peoples, adopted by the Un General Assembly on 14 December , 1960 (Resolution 1514 (XV) have not yet been fully respected and declares that the German Democratic Republic regards the end of colonialism and the realization of the right to self-determination of all peoples as an important condition for guaranteeing international security and peace in the world. The competent authorities of the contracting states must state, in official documents and in any publication they issue for trademark registration, the numbers of the categories, departments and sections of the classification, including the image elements of those marks. At the time of signing or filing its ratification or membership instrument, any country may declare that it does not undertake to include the numbers of all or part of the sections in official documents and publications relating to trademark registrations and renewals.