(a) International registration and related duties, as well as all other administrative tasks concerning the Special Union, shall be performed by the International Bureau.
(b) In particular, the International Bureau shall prepare the meetings and provide the secretariat of the Assembly and of such committees of experts and working groups as may have been established by the Assembly.
(c) The Director General shall be the chief executive of the Special Union and shall represent the Special Union.
2. The Director General and any staff member designated by him shall participate, without the right to vote, in all meetings of the Assembly and of such committees of experts or working groups as may have been established by the Assembly. The Director General, or a staff member designated by him, shall be ex officio secretary of those bodies.
(a) The International Bureau shall, in accordance with the directions of the Assembly, make the preparations for the conferences of revision of the provisions of the Agreement other than Articles 10 to 13.
(b) The International Bureau may consult with intergovernmental and international non–governmental organizations concerning preparations for conferences of revision.
(c) The Director General and persons designated by him shall take part, without the right to vote, in the discussions at those conferences.
4. The International Bureau shall carry out any other tasks assigned to it.