Cargo-carrying and passenger ships as well as seagoing barges (of gross tonnage 100 and more), departing from seaports with of without cargo on voyages wholly or partially at sea. Non - transport ships performing transport functions are also included.

Ships departing from seaports with cargo shall be understood as carrying cargo to be loaded in the at which they departue or passengers to a port of departure is the port of call. Ships departing from a port on their ballast voyages, are those either empty or with a cargo not to be loaded in the port of departing, as well as ships with or without passengers having a different port of embarkation.

• Ship traffic in seaports