
CBP is the Department of Homeland Security’s largest agency. CBP protects our nation’s borders from terrorism, human and drug smuggling, illegal migration, and agricultural pests while simultaneously facilitating the flow of legitimate travel and trade.
As the nation’s single unified border agency, CBP’s mission is vitally important for the protection of the American people and the national economy. Nearly 52,000 CBP employees work in a variety of ways to secure the nation’s borders both at and between the official ports of entry and also to extend our zone of security. Employees continually incorporate the core values of vigilance, service to country, and integrity into their actions.
Useful links
- U.S. Customs and Border Protection Website
- U.S. Customs and Border Protection Help - Ask questions on trade & travel to the U.S.
- Know Before You Go – Bringing items into the U.S.
- Carrier Information Guide – U.S. Documentary Requirements for Travel
- Clearing CBP – Provides information about Customs clearance
- CBP Officer Search Authority – Legal & Policy reference
- U.S. Citizens/Lawful Permanent Residents – For U.S. citizen planning a trip outside the U.S
- For International Visitors – Provides useful information for visitors to the U.S.
- Electronic System of Travel Authorization (ESTA) – For VWP travelers
- CBP Travel – Provides general information on travel
- Customer Service - If you have concerns about your U.S. port of entry processing, please refer to this site for customer feedback commentary
CBP's layered border strategy
- The Immigration Advisory Program (IAP)
- Carrier Liaison Program (CLP)
- Trusted Traveler Programs - Global Entry Program
- Container Security Initiative (CSI)
- Customs-Trade Partnership Against Terrorism (C-TPAT)
- Secure Freight Initiative (SFI)
- (10+2) Importer Security Filing (PDF: 560KB)
Other Links:


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