competent regulatory authority — an authority or a system of authorities designated in a Member State in the field of regulation of nuclear safety of nuclear installations as referred to in Article 5 3.

licence — any legal document granted under the jurisdiction of a Member State to confer responsibility for the siting, design, construction, commissioning and operation or decommissioning of a nuclear installation 4.

licence holder — a legal or natural person having overall responsibility for a nuclear installation as specified in a licence 5.

nuclear installation — an enrichment plant, nuclear fuel fabrication plant, nuclear power plant, reprocessing plant, research reactor facility, spent fuel storage facility; and storage facilities for radioactive waste that are on the same site and are directly related to nuclear installations listed under point (a) 1.

nuclear safety — the achievement of proper operating conditions, prevention of accidents and mitigation of accident consequences, resulting in protection of workers and the general public from dangers arising from ionizing radiations from nuclear installations 2.