Risk Management (Compliance) A private company called G4 was deployed to all gates at the border post and their primary duty is to secure the premises. The SAPS presence can be found at all gates, and they check for stolen vehicles and other criminal activities. They also perform checks based on security measures. Customs officials and the Customs Border Control Unit (CBCU) are located at all the exit gates. These officials are responsible for checking compliance to declarations made, identification of undeclared goods and detections.