Accident management is an essential component of nuclear power plant safety and this Safety Guide provides recommendations on how to establish and maintain an effective accident management programme. Included in the publication are sections covering topics such as the identification of plant vulnerabilities and capabilities, development strategies, verification and validation, training and interfaces with emergency preparedness and response. Compared to the 2009 version, this publication enhances recommendations related to the instrumentation that would be used during accident management and includes a new chapter on the execution of the accident management programme.