Form that lists the details of goods that are being imported or exported when a citizen or visitor enters a customs territory
A customs declaration is a form that lists the details of goods that are being imported or exported when a citizen or visitor enters a customs territory. Most countries require travellers to complete a customs declaration form when bringing notified goods (alcoholic drinks, tobacco products, animals, fresh food, plant material, seeds, soils, meats, and animal products) across international borders... Wikipedia