Customs Enforcement Network(CEN) /National Customs Enforcement Network (nCEN) – ESA & WCO Publications Customs Enforcement Network(CEN) /National Customs Enforcement Network (nCEN) WCO Customs Enforcement Network (CEN) – A Global Customs Enforcement System WCO Customs Enforcement Network (CEN) – Database Perspective WCO Modular Software Suite Connecting Customs Worldwide WCO News June 2016