The description covers a justification for a noncompetitive modification to an existing IDIQ contract for the continued operation of the Center for Nuclear Waste Regulatory Analyses (CNWRA), the NRC’s Federally Funded Research and Development Center. CNWRA provides specialized long-term research and technical assistance to support the NRC’s waste management program, free of organizational conflict of interest. No budget amounts, performance location, or non-bid timelines are specified in the text.