A near miss is an event not causing harm but has the potential to cause injury/ill health, death or dangerous occurrence as defined in the reporting of injuries. Diseases and dangerous occurrences regulations. (RIDDOR) Accident Book Safety 2013. This report book includes the following sections: 1. Incident No., 2. When? 3. Where? 4. What? 5. Witnesses? 6. Who? 7. Is the area safe? 8. Remedial action to be taken, and 9. Details of the person completing this report and their position.