Prohibition of imports of specified products from specific countries or regions due to lack of evidence of sufficient safety conditions to avoid sanitary and phytosanitary hazards:  The restriction is imposed automatically until the country proves employment of satisfactory sanitary and phytosanitary measures to provide a certain level of protection against hazards that is considered acceptable. Eligible countries are included in a "positive list".  Imports from other countries are prohibited. The list may include authorized production establishments within the eligible country.
Example: Imports of dairy products from countries that have not proven satisfactory sanitary conditions are prohibited.