| English | Chinese |
| custom and usage A group pattern of habitual activity usually transmitted across generations and, in some instances, having the force of law | 风俗习惯 (一种世代相传的习惯性活动，在某种程度上具有类似法律的效力。) |
| customs regulation A body of rules or orders generally issued by the executive authority of a government to establish and direct the taxes, duties or tariffs payable upon merchandise exported or imported | 海关条例 (通常由政府行政主管机关颁布，并用以建立和指导税收或进出口商品关税支付的一系列法规或命令的主体。) |
| customs tariff An official list or schedule setting forth the duties imposed by a government on imported or exported goods | 关税表 (指政府针对进出口商品进行征税所设立的官方清单或计划表。) |
