Simplifying reporting formalities. Member states have set up a National Single Window through which member states have set up a National Single Window through which shipping companies can submit information electronically and make this information available as necessary to multiple authorities. EMSA has been providing support tothe member states, helping them to achieve a harmonised implementation and higher degree of digitalisation.

The purpose of the European Maritime Single Window (EMSW) is to simplify and further harmonise the information procedures behind the various reporting obligations imposed on shipping companies through national, EU and international law.