sentences:  This step does not apply to designated projects regulated by the National Energy Board and the Canadian Nuclear Safety Commission for which conducting an environmental assessment is mandatory when such a project is designated.A project may be designated by the Minister of the Environment if he or she is of the opinion that the carrying out of the project may cause adverse environmental effects, or that public concerns related to those effects warrant the designation.An environmental assessment under CEAA 2012 is required for each project designated by the Minister of the Environment.