Commentaries: Art. 129

After an failure, licence holders must carry out an investigation without delay.
The results of the investigation must be recorded in a report. The report must contain:
1. a description of the failure, the cause, the effects determined and other possible effects, and the measures taken;
2. an account of measures which are planned or have already been taken to prevent further similar failures.
The licence holder shall submit the report to the supervisory authority no later than six weeks after the failure.