The Bureau of Industry and Security (BIS) is a part of the U.S. Department of Commerce. It is responsible for regulating the export of sensitive goods and technologies to ensure national security and foreign policy interests. BIS manages the Export Administration Regulations (EAR), which govern the export of commercial and dual-use items. BIS also promotes U.S. economic interests by supporting the growth of the domestic industry. It provides guidance and resources to businesses on compliance with export regulations. Additionally, BIS conducts enforcement activities to prevent illegal exports and protect critical technologies from falling into the wrong hands.