A/S - "After sight, Account sales, Alonside (chartering)"

　　A/T - American terms (grain trade)

　　A/v - "Average, ad valorem (according to value)"

　　AADFI - Association of African Development Finance Institutions

　　AAEI - American Association of Exporters and Importers

　　AAIB - Arab-African International Bank

　　AATP - Association of African Trade Promotion Organizations

　　ABC - American Business Center

　　ABCA - Association des Banques Centrales Africaines

　　Abdnt. - Abandonment

　　ABEDA - Arab Bank for Economic Development in Africa

　　ABI - "American Business Initiative, Automated Broker Interface"

　　Absorption - "Absorption is investment and consumption purchases by households,businesses, and governments, both domestic and imported. When absorption exceeds production, the excess is the country's current account deficit."

　　Abt. - About

　　ABTA - Association of British Travel Agents

　　ACAB - Association of Central African Banks

　　ACC - Arab Cooperation Council

　　Acc. - Acceptance. Accepted

　　ACCJ - American Chamber of Commerce in Japan

　　accomplished bill of lading - Original bill of lading surrendered to the carrying ship at the discharge port in exchange for the goods.

　　ACCT - Agency for Cultural and Technical Cooperation

　　Acct - Account

　　ACDA - Arms Control and Disarmament Agency

　　ACEP - Advisory Committee on Export Policy