This Decree shall apply to ports in the national territory except for ports in use of the army, armed bodies and the police. Detailed rules on the order in ports shall be determined by the manager of the port and approved by the competent navigation authority. The manager of the port must issue a special authorization of docking for vessels transporting hazardous substances, and he can prohibit docking of sinking vessels, or if there is fire on board, or if the vessel suspected of bearing infect