IPPC [Internationales Pflanzenschutzübereinkommen] Konzept

The International Plant Protection Convention (IPPC) is an international treaty whose purpose is to secure a common and effective action to prevent the spread and introduction of pests of plants and plant products, and to promote appropriate measures for their control. The Convention extends to the protection of natural flora and plant products.

http://www.ippc.int/IPP/En/default.htm