Artikel 101

1. The representatives of member countries shall meet in Congress not later than four years after the end of the year during which the preceding Congress took place.
2. Each member country shall arrange for its representation at Congress by one or more plenipotentiaries furnished by their Government with the necessary powers. It may, if need be, arrange to be represented by the delegation of another member country. Nevertheless it shall be understood that a delegation may represent only one member country other than its own.
3. In principle, each Congress shall designate the country in which the next Congress will be held. If that designation proves inapplicable, the Council of Administration shall be authorized to designate the country where Congress is to meet, after consultation with the latter country.
4. After consultation with the International Bureau, the host Government shall fix the definitive date and the precise locality of Congress. In principle one year before that date, the host Government shall send an invitation to the Government of each member country of the Union. This invitation may be sent direct or through the intermediary of another Government or through the Director General of the International Bureau.
5. When a Congress has to be convened without a host Government, the International Bureau, with the agreement of the Council of Administration and after consultation with the Government of the Swiss Confederation, shall take the necessary steps to convene and organize the Congress in the country in which the seat of the Union is situated. In this event, the International Bureau shall perform the functions of the host government.
6. The meeting place of an Extraordinary Congress shall be fixed, after consultation with the International Bureau, by the member countries which have initiated that Congress.
7. Paragraphs 2 to 5 and article 102 shall be applicable by analogy to Extraordinary Congresses.