Customs officers are responsible for ensuring that goods entering or leaving a country comply with all applicable customs regulations, including those related to tariffs, duties, and import/export restrictions.

Documentary inspection is not a common type of customs inspection, as it involves the examination of documents related to the goods being imported or exported, rather than the physical inspection of the goods themselves.

X-ray machines are used in customs inspections primarily to detect concealed weapons and explosives, which can pose a security risk.

K-9 units are trained to detect narcotics and other illegal substances, which can be concealed in luggage, vehicles, or cargo.

Valuation is the process of determining the value of goods for duty purposes, which is based on factors such as the cost of production, the selling price, and the market value.

Customs brokers are responsible for preparing and submitting customs declarations, which contain detailed information about the goods being imported or exported.

Bonded warehouses are used for the temporary storage of goods that have not yet cleared customs, allowing importers to defer the payment of duties and taxes until the goods are released.

A customs manifest provides detailed information about the goods being transported, including the quantity, description, value, and destination of the goods.

Verification is the process of checking the accuracy of customs declarations by examining the goods and comparing them to the information provided in the declaration.

Customs risk management aims to identify high-risk shipments for inspection, thereby targeting resources effectively and reducing the burden on legitimate traders.

Clearance is the process of releasing goods from customs control after all applicable duties and taxes have been paid and all necessary documentation has been submitted.

Customs enforcement officers are responsible for investigating customs violations, such as smuggling, undervaluation, and misclassification of goods.

Classification is the process of determining the appropriate customs duty rate for a particular good based on its characteristics and intended use.

The Harmonized System (HS) of tariff classification aims to ensure uniformity in the classification of goods, thereby facilitating international trade and reducing the risk of disputes.

Protest is the term used for the process of appealing a customs decision, typically involving the submission of a formal document outlining the grounds for the appeal.