Ad valorem duties are important to those importing goods into the United States of America because the amount of duty owed is often based on the value of the imported commodity.
从价税是很重要的是进口货物进入美国，因为拖欠款额的责任往往是基于价值的进口商品。
The value added tax for the import link shall be AD valorem taxes calculated on the basis of the taxable price assessed by the customs house and the anti-dumping duties.
进口环节增值税以海关审定的完税价格加上关税和反倾销税作为计税价格从价计征。
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