CNSC publishes regulatory document that addresses requirements for the medical, physical and psychological fitness of a nuclear security officer

News release

September 17, 2018

The Canadian Nuclear Safety Commission (CNSC) has published REGDOC-2.2.4, Fitness for Duty, Volume III: Nuclear Security Officer Medical, Physical, and Psychological Fitness.

This regulatory document sets out the expectations of the Canadian Nuclear Safety Commission (CNSC) concerning minimum requirements for nuclear security officer (NSO) medical, physical, and psychological certificates. This regulatory document applies to all persons the licensee is considering authorizing or has authorized to act as an NSO at a high-security site as defined in the Nuclear Security Regulations.

REGDOC-2.2.4, Volume III, is a re-publication of RD-363, Nuclear Security Officer Medical, Physical, and Psychological Fitness with an updated Canadian Nuclear Security Fitness Test. No other changes were made to the original document.

The CNSC regulates the use of nuclear energy and materials to protect the health, safety, security and the environment; to implement Canada’s international commitments on the peaceful use of nuclear energy; and to disseminate objective scientific, technical and regulatory information to the public.

Quick facts

  • Licensees have robust security plans in place to ensure their respective facilities are safe and secure.

  • The CNSC welcomes feedback on regulatory documents at any time

  • Additional information on the CNSC’s fitness-for-duty requirements can be found in the REGDOC-2.2.4, Fitness for Duty series of documents

Associated links


Aurèle Gervais
Media Relations
Canadian Nuclear Safety Commission

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