The U.S. Nuclear Regulatory Commission (NRC or the Commission) is amending certain emergency preparedness (EP) requirements in its regulations that govern domestic licensing of production and utilization facilities. The final rule adds a conforming provision in the regulations that govern licenses, certifications, and approvals for new nuclear power plants. The final rule codifies certain voluntary protective measures contained in NRC Bulletin 2005-02, "Emergency Preparedness and Response Actions for Security-Based Events," and generically applicable requirements similar to those previously imposed by Commission orders. In addition, the final rule amends other licensee emergency plan requirements based on a comprehensive review of the NRC's EP regulations and guidance. The requirements enhance the ability of licensees in preparing to take and taking certain EP and protective measures in the event of a radiological emergency; address, in part, security issues identified after the terrorist events of September 11, 2001; clarify regulations to effect consistent emergency plan implementation among licensees; and modify certain EP requirements to be more effective and efficient.