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Ports of entry are responsible for daily port specific operations. There are 317 official ports of entry in the United States and 14 preclearance offices in Canada and the Caribbean. Port personnel are the face at the border for most cargo and visitors entering the United States. Here CBP enforces the import and export laws and regulations of the U.S. federal government and conducts immigration policy and programs. Ports also perform agriculture inspections to protect the USA from potential carriers of animal and plant pests or diseases that could cause serious damage to America's crops, livestock, pets, and the environment.
