a/d = after date 出票后限期付款(票據)

ad.advt. = advertisement 廣告

adv. = advice 通知(書)

ad val. = Ad valorem(according to value) 從價稅

A.F.B. = Air Freight Bill 航空提單

Agt. = Agent 代理商

AI = first class 一級

AM = Amendment 修改書

A.M.T. = Air Mail Transfer 信匯

Amt. = Amount 額，金額

A.N. = arrival notice 到貨通知

A.P. = account payable 應付賬款

A/P = Authority to Purchase 委托購買

a.p. = additional premiun 附加保險費

A.R. = Account Receivable 應收款

Art. = Article 條款，項

A/S = account sales 銷貨清單

a/s = after sight 見票后限期付款

asstd. = Assorted 各色俱備的

att,.attn. = attention 注意

av.,a/v = average 平均，海損

a/v = a vista (at sight) 見票即付