Depending on the quantity of dangerous substances stored at the installation site, the operators must provide the competent authorities (Minister of the Environment and Minister of Labour and Employment) with a notification and a statement of their major accidents prevention policy (for lower-tier installations), or a notification, a safety report, and an internal emergency plan (for upper-tier installations). This internal plan will be used as the basis for the authorities to draw up an external emergency plan. This failure leaves local residents unprotected and deprives them of the necessary information on safety measures to be taken in case of a major accident.