Nuclear Safety Norms and Guides

• Order of the President of CNCAN no. 120/2026 supplementing the Norms on the issuance of practice permits for operating personnel, management personnel and specific training personnel in nuclear power plants, research reactors and other nuclear installations, approved by Order of the President of CNCAN no. 61/2014, published in the Official Gazette of Romania no. 560 of 8 July 2026 (NSN-14)

•Order of the President of CNCAN no. 231/2025 amending and supplementing the Nuclear Safety Norms on the selection, training, qualification and licensing of the personnel of organizations responsible for the design, siting, construction and installation, commissioning, operation and decommissioning of nuclear installations, approved by Order of the President of CNCAN no. 149/2021, published in the Official Gazette of Romania no. 1158 of 15 December 2025 (NSN-23) 

 •Order of the President of CNCAN no. 232/2025 amending the Norms on the issuance of practice permits for operating personnel, management personnel and specific training personnel in nuclear power plants, research reactors and other nuclear installations, approved by Order of the President of CNCAN no. 61/2015, published in the Official Gazette of Romania no. 1158 of 15 December 2025 (NSN-14)

 

•Order of the President of CNCAN no. 229/2025 approving the Nuclear Safety Guide on the investigation and remediation of equipment failures in nuclear installations (GSN 11), published in the Official Gazette of Romania, no. 1155 of 12 December 2025.

•Order of the President of CNCAN no. 227/2025 amending and supplementing the Nuclear Safety Norms on the recording, reporting and analysis of events and the use of operating experience for nuclear installations, approved by Order of the President of CNCAN no. 28/2022, published in the Official Gazette of Romania no. 1128 of 8 December 2025 (NSN-18)

•Order of the President of CNCAN no. 199/2025 approving the Nuclear Safety Norms on design modifications and configuration control for nuclear installations, published in the Official Gazette of Romania no. 1028 of 6 November 2025 (NSN-19).


•Order of the President of CNCAN no. 170/2025 supplementing the
Norms on the licensing of nuclear installations, approved by Order of the President of the National Commission for Nuclear Activities Control no. 336/2018, published in the Official Gazette of Romania no. 912 of 3 October 2025 (NSN-22)
 

 


•Order of the President of CNCAN no. 200/2024 approving the Norms on the use of artificial intelligence in applications intended for nuclear installations, published in the Official Gazette of Romania no. 1308 of 23 December 2024 (NSN-31).

•Order of the President of CNCAN no. 199/2024 approving the Norms on the performance, documentation and independent verification of analyses, calculations and technical assessments important to nuclear safety, published in the Official Gazette of Romania no. 1276 of 18 December 2024 (NSN-15).

•Order of the President of CNCAN no. 53/2023 amending and supplementing the Norms on the licensing of nuclear installations, approved by Order of the President of the National Commission for Nuclear Activities Control no. 336/2018, published in the Official Gazette of Romania, no. 5 of 3 January 2019.

•Order of the President of CNCAN no. 65/2024 amending and supplementing the Norms on the issuance of practice permits for operating personnel, management personnel and specific training personnel in nuclear power plants, research reactors and other nuclear installations, approved by Order of the President of the National Commission for Nuclear Activities Control no. 61/2014, published in the Official Gazette of Romania, no. 425 of 9 May 2024 (NSN-14).

•Order of the President of CNCAN no. 51/2023 amending and supplementing the Norms on the issuance of practice permits for operating personnel, management personnel and specific training personnel in nuclear power plants, research reactors and other nuclear installations, approved by Order of the President of the National Commission for Nuclear Activities Control no. 61/2014, published in the Official Gazette of Romania, no. 259 of 29 March 2023.

•Order of the President of CNCAN no. 37/2023 amending and supplementing the Nuclear Safety Norms on the selection, training, qualification and licensing of the personnel of organizations responsible for the design, siting, construction and installation, commissioning, operation and decommissioning of nuclear installations, approved by Order of the President of CNCAN no. 149/2021.

•Order of the President of CNCAN amending and supplementing the Nuclear Safety Norms on the operational limits and conditions for nuclear installations (NSN-05), approved by Order of the President of CNCAN no. 199/2015. (order 14 2023 order 199 of 2015 )

•Specific conditions for the award of certain public procurement contracts and sectoral contracts for products, services and/or works intended for the systems that ensure the functions of nuclear safety, radiological safety, physical protection, protection against cyber threats and the reliable operation of nuclear installations, approved by Joint Order of the President of CNCAN and of the President of the National Agency for Public Procurement no. 264/2583 and published in the Official Gazette, Part I, no. 1262 of 28 December 2022

•NSN 20 - rev. 1 Norms on the nuclear safety policy and the independent nuclear safety assessment, approved by Order of the President of CNCAN no. 212/25.10.2022 and published in the Official Gazette, Part I, no. 1097 of 15 November 2022

•NSN 18 - rev. 1 Nuclear Safety Norms on the recording, reporting and analysis of events and the use of operating experience for nuclear installations, approved by Order of the President of CNCAN no. 28/28.02.2022 and published in the Official Gazette, Part I, no. 232 of 9 March 2022 

•NSN 17 - rev. 1 Nuclear Safety Norms on ageing management for nuclear installations, approved by Order of the President of CNCAN no. 174/27.10.2021 and published in the Official Gazette, Part I, no. 1090 of 15 November 2021

•NSN 27 - rev. 1 Norms on the use of standards for ensuring, maintaining, assessing and continuously improving nuclear safety for nuclear power plants, approved by Order of the President of CNCAN no. 159/14.10.2021 and published in the Official Gazette, Part I, no. 1057 of 4 November 2021

•NSN 23 supplement - Order of the President of CNCAN no. 24/2024 supplementing the Nuclear Safety Norms on the selection, training, qualification and licensing of the personnel of organizations responsible for the design, siting, construction and installation, commissioning, operation and decommissioning of nuclear installations, approved by Order of the President of CNCAN no. 149/28.09.2021

•NSN 23 - rev. 1 Nuclear Safety Norms on the selection, training, qualification and licensing of the personnel of organizations responsible for the design, siting, construction and installation, commissioning, operation and decommissioning of nuclear installations, approved by Order of the President of CNCAN no. 149/28.09.2021 and published in the Official Gazette, Part I, no.
1010 of 22 October 2021
 

•NSN 07 supplement - Order of the President of CNCAN no. 1/2024 supplementing the Nuclear Safety Norms on the preparation of the response to transients, accidents and emergency situations at nuclear power plants, approved by Order of the President of CNCAN no. 102/18.05.2020

•NSN 07 rev. 1 - Nuclear Safety Norms on the preparation of the response to transients, accidents and emergency situations at nuclear power plants, approved by Order of the President of CNCAN no. 102/18.05.2020 and published in the Official Gazette, Part I, no. 449 of 28 May 2020

•NSN 16 rev. 1 - Nuclear Safety Norms on surveillance, maintenance, testing and in-service inspections for nuclear installations, approved by Order of the President of CNCAN no. 122/2020 and published in the Official Gazette, Part I, no. 619 of 15 July 2020

  • •GSN 09 - Guide on the development and assessment of nuclear safety culture, approved by Order of the President of CNCAN no. 182 of 18.07.2019, published in the Official Gazette of Romania, Part I, no. 653 of 6 August 2019

    •GSN 03 - Guide on meeting the general nuclear safety objective established by the Fundamental Nuclear Safety Norms for nuclear installations, approved by Order of the President of CNCAN no. 338/22.12.2018 and published in the Official Gazette of Romania, Part I, no. 1096 of 22 December 2018

     
    •NSN 23 - Nuclear Safety Norms on the training, qualification and licensing of the personnel of organizations operating nuclear installations, published in the Official Gazette, Part I no. 438 of 13 June 2017  

    •GSN 05 - Guide on the framework format and content of the Final Safety Analysis Report for research reactors, published in the Official Gazette, Part I no. 561 of 14 July 2017 

    •GSN 06 - Guide on the framework format and content of the Final Safety Analysis Report for nuclear fuel fabrication plants , published in the Official Gazette, Part I no. 565 of 17 July 2017

     
    •Norms on decision-making transparency in the licensing process for nuclear installations, approved by Order of the President of CNCAN no. 81/12.04.2019 and published in the Official Gazette, Part I no. 356 of 8 May 2019

     
    •Nuclear Safety Norms on the siting of nuclear power plants (NSN-01) published in the Official Gazette, Part I no. 836 of 14/12/2010.

     
    •Nuclear Safety Norms on the design and construction of nuclear power plants (NSN-02) published in

    the Official Gazette, Part I no. 855bis of 21/12/2010.
    •Nuclear Safety Guide on industrial codes and standards for nuclear power plants (GSN-01), approved by Order of the President of CNCAN no. 51/23.03.2015 and published in the Official Gazette, Part I no. 228/03.04.2015.  

     
    •Guide on the independent verification of nuclear safety analyses and assessments for nuclear installations (GSN-02), published in the Official Gazette, Part I no. 707 of 21 September 2015.  

     
    •Guide on the framework format and content of the Final Safety Analysis Report for nuclear power plants (GSN-04), published in the Official Gazette, Part I no. 752 of 08 October 2015.  

     
    •Nuclear Safety Norms on the operational limits and conditions for nuclear installations (NSN-05), published in the Official Gazette, Part I no. 751 of 08 October 2015.  

     
    •Nuclear Safety Norms on the protection of nuclear installations against external events of natural origin (NSN-06), approved by Order of the President of CNCAN no. 242/29.12.2014 and published in the Official Gazette, Part I no. 34/15.01.2015.

     
    •Norms on probabilistic nuclear safety assessments (NSN-08), approved by Order of the President of CNCAN no. 316/2006 and published in the Official Gazette, Part I no. 980 / 07.12.2006.

    •Norms on the protection of nuclear power plants against internal fires and explosions (NSN-09) approved by Order of the President of CNCAN no. 141/2006 and published in the Official Gazette no. 500/09.06.2006.    

    •Norms on the periodic nuclear safety review for nuclear power plants (NSN-10) approved by Order of the President of CNCAN no. 135/2006 and published in the Official Gazette no. 439/22.05.2006. 

     
    •Norms on the emergency core cooling system for nuclear power plants (NSN-11) approved by Order of the President of CNCAN no. 136/2006 and published in the Official Gazette no. 444/23.05.2006.

    •Norms on the containment system for CANDU-type nuclear power plants (NSN-12) of 23/11/2005, published in the Official Gazette, Part I no. 1097 of 06/12/2005.

    •Norms on the shutdown systems for CANDU-type nuclear power plants (NSN-13) of 23/11/2005, published in the Official Gazette, Part I no. 1084 of 02/12/2005.

     
    •Norms on the issuance of practice permits for operating personnel, management personnel and specific training personnel in nuclear power plants, research reactors and other nuclear installations (NSN-14 rev. 1) of 01/05/2014, published in the Official Gazette, no. 350/bis of 13/05/2014.  

     
    •Nuclear Safety Norms on surveillance, maintenance, testing and in-service inspections for nuclear installations (NSN-16), published in the Official Gazette, Part I no. 420 of 17 May 2018. 


  • •NSN 21 rev. 1 - Fundamental Nuclear Safety Norms for nuclear installations, approved by Order of the President of CNCAN no. 86/2020 and published in the Official Gazette, Part I, no. 597 of 8 July 2020.

     
    •GSN 10 - Nuclear Safety Guide on time-limited ageing analyses relevant to the ageing management of nuclear installations, approved by Order of the President of CNCAN no. 60/2020, published in the Official Gazette, Part I, no. 223 of 19 March 2020.

     
    •NSN 22 - Norms on the licensing of nuclear installations, approved by Order of the President of CNCAN no. 336/03.01.2019 and published in the Official Gazette, Part I, no. 5 of 03 January 2019

     
    •NSN 24 - Norms on deterministic nuclear safety analyses for nuclear installations, published in the Official Gazette, Part I no. 876 of 31 October 2019. 

     
    •NSN 25 - Norms on decision-making transparency in the licensing process for nuclear installations, approved by Order of the President of CNCAN no. 81/2019, published in the Official Gazette, Part I no. 356 of 8 May 2019.

     
    •NSN 26 - Norms on the interfaces between nuclear safety, radiological safety, physical protection, protection against cyber threats and nuclear safeguards control, approved by Order of the President of CNCAN no. 322/2019 and published in the Official Gazette, Part I, no. 989 of 09 December 2019

    •GSN 07 - Nuclear Safety Guide on the preparation of the refurbishment of nuclear installations, approved by Order of the President of CNCAN no. 341/09.01.2019 and published in the Official Gazette of Romania, Part I, no. 22 of 09 January 2019

     
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    GSN 08 -

    Nuclear Safety Guide on the assessment of nuclear installations for restart after unplanned shutdowns, approved by Order of the President of CNCAN no. 27 of 18.02.2019, published in  

    the Official Gazette of Romania, Part I, no. 256 of

     

    3 April 2019  

     

     

     

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