The national government must support the application of an A1 -World Horticulture Expo.
The regional/city government must support the application of a B – International Horticulture Expo.
The support of a full AIPH member in the potential host country is necessary for both A1 and B applications.
However, in a country with no full members of AIPH, application submission may go ahead. Still, the financial guarantee will increase by 100 per cent, and AIPH may require further investigative work, which will be at the applicant’s cost.