After receiving the opinion of the French Nuclear Safety Authority (Autorité de sûreté nucléaire) or of the delegate for nuclear safety and radiation protection for defence-related facilities and activities when the event occurs in a facility or activity mentioned in article L. 1333-15 of the French Defence Code, the representative of the State in the département decides to end the radiological emergency. This decision is taken taking into account the following criteria:
1° A return to a controlled and stable situation ;
2° the cessation of significant discharges; and
3° no new threat of radioactive releases.