Bureau of International Expositions
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The International Exhibitions Bureau (or Bureau International des Expositions) is the organization is the governing body of World Expos. The BIE was established by an international Convention signed in Paris on the 22nd November 1928, with the following goals: 1. to oversee the calendar, the bidding, the selection and the organisation of Expos; 2. to establish a framework allowing Countries to cooperate under the best conditions as organisers of Expos or as participants through national pavilions. Today 98 member Countries have adhered to the BIE Convention.
The BIE regulates two types of Expos: «International Registered Exhibitions» (Universal Expos, in the common language) and « International Recognized Exhibitions» (Thematic or International Expos, in the common language). UNIVERSAL EXPOS Frequency: Every 5 years Duration: 6 months Participation: Countries, International Organisations, Civil Society, Corporations Theme: The theme of the Expo must have a universal character Construction: The participants themselves design and build their own pavilions Size of pavilions: Determined by the regulations of the Expo. Site: Unlimited surface Host city: Cities or capitals looking to accelerate a project of urban renewal
THEMATIC OR INTERNATIONAL EXPOS Frequency: Between 2 Universal Expos Duration: 3 months Participation: Countries, International Organisations, Civil Society, Corporations Theme: The theme of the Expo must have a precise character Construction: The organiser makes available to participants the pavilions’ modules free of rent and charges Size of pavilions: The largest space allocated should not exceed 1000 m2 Site: 25 hectares maximum Host city: Cities looking to establish themselves on the international arena
There have been some specialized expos in which countries have built their own pavilions (Liège 1939 was such an event). The Seattle Century 21 Exposition 1962 was a "universal" exposition (General Exposition 2nd category), in the same category as Paris 1937 and the 1939 New York World's Fair, and thus, according to the rules, countries should not have been allowed to build their own pavilions.
The second category phase came under the 1972 protocol - which was first used after Expo '75. Under that system there were just 2 types, Universal (the 1st and 2nd categories were combined) and International (or specialized). Under this system, each country could build its own pavilion at a universal expo, but buildings could be provided for poorer countries. At an international expo, the expo built the pavilions. Also, the theme at a universal expo was larger or more open. Only Expo '92 in Seville and Expo 2000 in Hanover have been held in this category. Both Genoa Expo '92 and Taejon Expo '93 were held as "test runs" for this type. BIE considered Lisbon's Expo '98 the best ever