It is important that these are not motor vehicles and spare parts, but the two countries have agreed to continue negotiations for the elimination of customs duties on this type of goods.3 15. US Customs and Border Protection, CSMS #41149692, US-Japan Trade Agreement: information on the use of preferential treatment. This agreement provides for the limited use of safeguard measures allowing for a temporary increase in customs duties when imports exceed a predetermined trigger level. Japan will have protective measures for beef, pork, whey, oranges and racehorses. The tables below provide updated information on the trigger values of safeguard measures and trade volumes applicable for the current and past financial year in Japan (JFY).