(i) Monitoring compliance with the legal and regulatory provisions applicable to the telecommunications sector, as well as imposing penalties; (j) Declaring the public utility of expropriations and establishing servitudes required for building telecommunications infrastructure, and monitoring the public electromagnetic domain. 3. The State’s responsibilities shall be fulfilled by the Communications Regulatory Authority. 4. The Government shall define, by decree-law, the organic structure, the operating rules and the responsibilities of the Regulatory Authority referred to in the preceding subsection. Section 5 Public electromagnetic domain The space through which electromagnetic waves can propagate constitutes the public electromagnetic domain, the management, administration and monitoring of which are the competency of the State, in compliance with the provisions of the applicable law, and international treaties and agreements. Section 6 Telecommunications co-ordination in emergency situations It shall be incumbent upon the State to ensure, under the terms as established by law, adequate co-ordination of telecommunications networks and services in emergency, crisis or war situations. Section 7 Consultative committee Law may provide for the establishment of a consultative committee comprised of representatives from the State, operators and users with the task of monitoring and advising the regulatory entity on specific matters. Section 8 Public use of telecommunications 1. Everyone has the right to use public telecommunications services through payment of the corresponding tariffs and fees, insofar as the applicable regulations are complied with. 2. Law may define the priority use of services and establish preferences to the benefit of entities pursuing public interests worthy of special protection. 3. Communications intended for public security, both internal and external, and the protection of human lives, enjoy absolute priority.