The IPPC is a contract to prevent the introduction and spread of organisms harmful to plants and plant products and currently has 177 beneficiaries from the State. IpPC has developed phytosanitary policies and serves as both a financial intelligence unit and a source of information. Seven regional plant protection organizations have been established under the auspices of the IPPC. The North American Plant Protection Organization (NAPPO) is composed, for example, of the United States, Canada and Mexico, which participate respectively through APHIS, the Canadian Food Inspection Agency (CFIA) or Plant`s Director of Health. The European and Mediterranean Plant Protection Organisation (EPPO) is an intergovernmental organisation, also within the framework of the IPPC, responsible for cooperation in the field of plant health between 50 countries in Europe and the Mediterranean. The executive agreement reached its modern development as a foreign policy instrument under President Franklin D. Roosevelt sometimes threatened to replace contractual power not formally, but in fact as a defining element in the field of foreign policy. The first major use of the executive agreement by the President took the form of an exchange of notes, on 16 November 1933, with Maxim M. Litvinov, Commissioner for Foreign Affairs of the USSR, extending American recognition to the Soviet Union and making certain commitments by each official481.

to invalidate a state law aimed at reducing the country`s foreign policy interests with respect to the country`s foreign policy. the absence of a well-established federal policy. In Zschernig v. Miller503 the court struck down an Escheat law of Oregon that was to prevent the inheritance of citizens of communist countries. The law conditioned the inheritance of non-resident aliens on proof that the United States . . .