Cambodia currently prohibits the commercial importation of the following products: narcotics; psychotropic substances and their precursors; toxic waste and poisonous chemicals and substances; and certain pesticides. Government regulations also prohibit the import of used computers and spare parts; household waste (discarded from dwellings, public buildings, factories, markets, hotels, business buildings, restaurants, transport facilities, recreation sites, etc.); and hazardous waste (for example, PCB waste from discarded air conditioners). To curb the spread of avian influenza, Cambodia created and implemented more stringent quality control and inspection of poultry imports. Certain imports are subject to quantitative restrictions, and importers of these products are required to seek approval from relevant government ministries or technical agencies. Import permits or licenses are required from relevant government agencies depending on the nature and type of the imported commodity. Import licenses are