1. For the purposes of the obligations referred to in article 18, paragraph 1, letter t), the employer:
a) organizes the necessary relations with the public services responsible for first aid, rescue, firefighting and emergency management;
b) designates in advance the workers referred to in Article 18, paragraph 1, letter b);
c) informs all workers who may be exposed to serious and immediate danger about the measures taken and the behavior to be adopted;
d) plans interventions, takes measures and gives instructions so that workers, in the event of serious and immediate danger which cannot be avoided, can cease their activity, or take safety, by immediately leaving the workplace;
e) take the necessary measures so that any worker, in the event of serious and immediate danger to their own safety or of other people and in the impossibility of contacting the competent hierarchical superior, can take adequate measures to avoid the consequences of such danger, taking into account his knowledge and the technical means available;
e-bis) guarantees the presence of extinguishing means suitable for the class of fire and the level of risk present in the workplace, also taking into account the particular conditions in which they can be used. The obligation also applies to fixed, manual or automatic extinguishing systems, identified in relation to the risk assessment.
2. For the purposes of the designations referred to in paragraph 1, letter b), the employer takes into account the size of the company and the specific risks of the company or production unit according to the criteria set out in the decrees referred to in article 46 .
3. Workers cannot, except for justified reasons, refuse the designation. They must be trained, be in sufficient numbers and have adequate equipment, taking into account the size and specific risks of the company or production unit. With regard to Defense personnel, the specific training carried out at institutes or schools of the Administration itself qualifies for the function of emergency management officer.
4. The employer must, except for duly justified exceptions, refrain from asking workers to resume their activity in a work situation in which a serious and immediate danger persists.