National safety authorities shall publish an annual report concerning their activities in the preceding year and send them to the Agency by 30 September. The report shall contain information on:
the development of railway safety, including an aggregation at Member State level of the CSIs, in accordance with Article 5(1);
important changes in legislation and regulation concerning railway safety;
the development of safety certification and safety authorisation;
the results of, and experience relating to, the supervision of infrastructure managers and railway undertakings, including the number and outcome of inspections and audits;
the derogations decided in accordance with Article 15; and
the experience of the railway undertakings and infrastructure managers on the application of the relevant CSMs.