The Government of Belize, with a view to preventing the entrance into Belize of plant or animal diseases, and other harmful pests and plagues, has arranged with the International Regional Organization for Health in Agriculture (OIRSA) to fumigate all aircraft, vehicles and ships entering Belize from abroad. OIRSA is authorized, for and on behalf of the Government of Belize, to fumigate every aircraft, vehicle or ship listed in regulation 4, upon its initial entry into Belize, and again on exit f