The base level of specific duties will be that in force at the time of the accession of China and the ad valorem equivalent of each specific duty applied to each tariff position.

从量税的基础水平将为在中国加入之时实施的水平及对每一税号实施的每一从量税的从价税等值。

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The Tax Code is actually pretty specific about who has a duty to keep that information confidential.

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Thus, in a typical analysis, the lawyer is focused on a fact-specific transaction and would analyze each and every duty or obligation imposed by law and determine what must be done to comply and what must be avoided so as not to breach some duty imposed by statute, regulation, common law, or the contractual obligations underlying the transaction itself.

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For a period of 20 years the existing Turkish customs tariff shall remain in force throughout the whole of the blue and red areas, as well as in areas (a) and (b), and no increase in the rates of duty or conversions from ad valorem to specific rates shall be made except by agreement between the two powers.

BBC: Map detailing the Sykes-Picot agreement