Artikel 9

1. The Parties shall, within two years from the entry into force of this Convention and every two years thereafter, and, in any event, whenever a Party so requests, hold multilateral consultations within the Council of Europe to examine the application of this Convention and the advisability of extending or revising any of its provisions, in particular as regards the definitions under Article 2. These consultations shall take place at meetings convened by the Secretary General of the Council of Europe.
2. Each Party may be represented at multilateral consultation meetings by one or more delegates. Each Party shall have the right to vote. Each State Party to this Convention shall have one vote. Concerning questions within its competence, the European Community shall exercise its right to vote and cast a number of votes equal to the number of its member States that are Parties to the Convention. The European Community shall not exercise its right to vote when the vote concerns a question which does not fall within its competence.
3. Any State referred to in Article 12, paragraph 1, or the European Community, which is not a Party to this Convention, may be represented in the consultation meetings by an observer.
4. After each consultation, the Parties shall forward to the Committee of Ministers of the Council of Europe a report on the consultation and on the functioning of the Convention, including, if it is considered necessary, proposals for the amendment of the Convention.
5. Subject to the provisions of this Convention, the Parties shall lay down rules of procedure for the consultation meetings.