The Import Control System (ICS2) is a centralised system developed by the European Commission for the exchange and management of Entry Summary Declaration (ENS) data on goods entering the customs territory of the European Union.
General information
Here you will find the information required to develop software for submitting ENS data via S2S (Functional specification, Technical specifications).
Information for testing
Developers of Entry Summary Declaration (ENS) data submission software can test their application software interfaces with ICS2.
Documents for such testing can be found here.