• منـع الأشخاص غير المسموح بدخولهم لأسباب تتعلق بجرائم الحرب أو الجرائم ضد الإنسانية، أو الإرهاب أو التخريب، أو التجسـس، أو الجريمة المنظمة، واحتجاز الأفراد غير المسموح بدخولهم واستبعادهم؛
Simplifying border crossing for legitimate, low-risk people and goods through the implementation of risk-assessment programs using technological and science-based solutions; Interdicting persons who are inadmissible for war crimes, crimes against humanity, terrorism, subversion, espionage or organized crime, and detaining and removing inadmissible individuals; Implementing screening processes to interdict unsafe foods and unhealthy animals that could spread disease to humans, animals, food products, plants, etc.; and, Searching for and preventing the smuggling of people, drugs, explosives, radioactive materials, and chemical and biological agents.