Which of the following is a true statement: Question 1 options: The only way in which a country has the ability to impose a tariff is if it gets permission from the WTO secretariat A WTO Member is prohibited from raising its applied tariff rate unless it renegotiates with all affected countries An Ad Valorem tariff rate is a tariff rate that uses a product's value to determine the amount due Members may renegotiate their tariff rates at any time they wish