Postal enterprises shall inform the Customs of their business hours in advance, and the Customs shall promptly send officials to supervise on-the-spot checking and examination.

邮政企业应当将作业时间事先通知海关，海关应当按时派员到场监管查验。

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The consignee for import goods and the consignor for export goods shall make an accurate declaration and submit the import or export license and relevant papers to the Customs for examination.

进口货物的收货人、出口货物的发货人应当向海关如实申报，交验进出口许可证和有关单证。

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Hoping to complete a more thorough examination, the agents sent one camera and the two computers to the Immigration and Customs Enforcement office in Tucson.

WSJ: Roy Altman: Judges For Lax Border Security