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NRC RIN: 3150-AJ57 Publication ID: Fall 2016 
Title: Defense Against Common Mode Failures in Digital Instrumentation and Control Systems [NRC-2015-0040] 
Abstract:

This rule would require applicants for Digital Instrumentation and Control Systems to assess the defense-in-depth and diversity of proposed digital instrumentation and control systems to demonstrate that vulnerabilities to common mode failures have been adequately addressed.  This is staff-initiated activity which was discussed in SRM-SECY-93-087, Item 18. 

 
Agency: Nuclear Regulatory Commission(NRC)  Priority: Substantive, Nonsignificant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Long-Term Actions 
Major: No  Unfunded Mandates: No 
CFR Citation: 10 CFR 50   
Legal Authority: 42 U.S.C. 2201    42 U.S.C. 5841   
Legal Deadline:  None
Timetable:
Action Date FR Cite
Regulatory Basis  To Be Determined 
Additional Information: In SRM-SECY-15-0106, the Commission directed the staff to develop an integrated strategy to modernize the NRC's digital instrumentation and control regulatory infrastructure. That integrated strategy will also address the need for rulemaking in this area. In the meantime, this particular rulemaking will be discontinued.
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
Daniel Doyle
Nuclear Regulatory Commission
Office of Nuclear Material Safety and Safeguards,
Washington, DC 20555-0001
Phone:301 415-3748
Email: daniel.doyle@nrc.gov