The U.S. Customs and Border Protection (CBP) is a federal law enforcement agency within the Department of Homeland Security. The CBP is responsible for enforcing the laws and regulations of the United States related to the import and export of goods. This includes regulating the flow of goods across U.S. borders, collecting duties and taxes on imported goods, and enforcing trade agreements and other international obligations. The CBP is also responsible for protecting U.S. agriculture and natural resources by preventing the introduction of harmful pests and diseases through imported goods. The CBP has more than 60,000 employees and operates at land, air, and sea ports of entry throughout the United States.