Customs Workstation System An EDI Solution for the Bureau of Customs The solution is the Customs Workstation System (CWS), a windows-based, front-end software was developed by Inter Commerce Network Services in cooperation with the Bureau of Customs, internetworking importers, traders and Customs brokers, freight forwarders, with the Bureau of Customs using Electronic Data Interchange (EDI) solution. Electronic Payment System An EDI Solution for the Importers The CWS e Pay is the solution - a software that allows you to receive copies of Customs Final Assessment and approved Import Entry Declaration and transmit payment instruction to your depository bank - electronically.