Every month, the mayor, the president of the departmental council, the president of the regional council or the president of the deliberative body of the grouping of local authorities sends the prefect a statistical report on the previous month’s commercial activity for each commercial port under the jurisdiction of the local authority or grouping of local authorities. The report shall indicate, for each port of call, the characteristics of the port of call and of the vessel, quantitative information relating to passenger traffic and freight traffic broken down by type, origin or destination, packaging and handling method.