The document summarizes Morocco's PortNet system, a national single window for foreign trade. PortNet aims to facilitate international trade processes and improve competitiveness for importers and exporters. It integrates stakeholders across physical, data, and payment flows. PortNet has over 22,000 users, processes over 635,000 electronic messages monthly, and reduced trade times. It is recognized as improving Morocco's trade environment and competitiveness. Lessons learned include aligning governance to customer interests, achieving quick wins, trusting collaboration between stakeholders, monitoring performance metrics, and pursuing regional integration.