International Plant Protection Convention (IPPC) was approved in the 6th Session of Food and Agriculture Organization of the United Nations (FAO) in 1951. Afterwards, the FOA Secretary- General has been in charge of it. According to the clauses of effective date, IPPC was ratified by Sri Lanka, Spain and Chile on April 3rd, 1952, replacing the international convention signed by the contractual members against phylloxerinae disease of Portugal in 1881, an additional convention was signed in Berne in 1889, and international plant protection convention signed in Rome in 1929, etc.
Based on practical requirements, the first revision was made in IPPC in 1979. The revised contents are mainly including languages renewal and the form of plant quarantine certificates. However, the revised IPPC was not approved until 1991, due to approval of 2/3 of its contractual members.
To promote free trade among world primary products, since Uruguay Round on the former General Agreement on Tariffs and Trade (GATT) initiated in 1986, all nations began to work actively on how to eliminate the international trade barriers in name of keeping the health of plants, animals as well as its citizens, thus Sanitary and Phytosanitary Standard (SPS) emerged as the required by time and the relative international organizations took the responsibly of constituting the standard. In this condition, IPPC took the role of technological assistance for SPS in plant products trade.
In order to complete the assignment, FAO subarranged Secretary-General Office in Plant Protection Division of Agriculture Department to play the programming role for IPPC. Besides, in 1993, Committee of Experts on Phytosanitary Measures (CEPM) was established for the purpose of standard constituting. For the sake of cooperating with SPS operation, the second revision of IPPC was carried out since 1995. Ultimately, the second revision was approved through the 29th FAO Session in November of 1997; while, presently, it still remains invalid except that 2/3 of the contractual members approve it.
By the end of 2002, with 120 contractual members, IPPC has become one of the most import international organizations worldwide.