ACH - Automated Clearinghouse

　ACP - "African, Caribbean, and Pacific"

　ACP - "African, Caribbean and Pacific States"

　ACPC - Association of Coffee Producing Countries

　ACS - Automated Commercial System

　ACTPN - Advisory Committee on Trade Policy and Negotiations

　ACU - Asian Clearing Union

　AD - Antidumping

　Ad Val - Ad Valorem

　Ad Valorem - "Literally: according to value. Any charge, tax, or duty that is applied as a percentage of value. "

　Ad Valorem Equivalent - "AVE is the rate of duty which would have been required on dutiable imports under that item, if the United States customs value of such imports were based on the United States port of entry value. "

　AD Valorem Tariff - "A tariff assessed as a percentage of the value of the goods cleared through customs. For example, 10 percent Ad Valorem means the tariff is 10 percent of the value of the goods."

　Ad. val. - Ad valorem-according to value

　ADB - Asian Development Bank

　ADB - Asian Development Bank

　ADF - "African Development Foundation, African Development Fund, Asian Development Fund"

　ADFAED - Abu Dhabi Fund for Arab Economic Development

　Administrative Exception Notes - "CoCom controls exports at three levels, depending on the item and the proposed destination. At the lowest level, ""national discretion"" (also called ""administrative exception""), a member nation may approve the export on its own, but CoCom must be notified"