Electronic Communications Act, 2008 ACT 775 Frequency monitoring stations 62. The Authority may operate frequency monitoring stations to (a) monitor the use of the frequency spectrum, and (b) carry out a technical function necessary for fulfilling the requirements of the Radio Regulations of the International Telecommunication Union. . Harmful interference 63. (1) A person shall not operate a facility, terminal equipment or other equipment in a manner that is likely to cause harmful interference except as is necessary on the grounds of national security. (2) Where the Authority is of the opinion that the use of a facility, terminal or other equipment is likely to cause or has caused or is causing harmful interference, the Authority may (a) serve notice on the person in possession of the facility, terminal equipment or other equipment requiring that person to cease the use of the facility, terminal or equipment within seven days from the date of service of the notice, or (b) impose limits as to when the facility, terminal, equipment or other equipment may be used, and whether or not reasonable steps have been taken to minimise the interference Space segment 64. The Authority shall ensure that access to the space segment is made available on a non-discriminatory and equitable basis in allocating frequency bands for electronic communications services that use satellite systems. The National Electronic Communications Numbering Plan The establishment of the National Electronic Communication Numbering Plan 65. (1) The Authority shall establish, control, and manage a National Electronic Communication Numbering Plan for network and applications services. (2} The plan may set out for network and applications services conditions which include (a). the use of different numbers for different kinds of service including emergency services, (b) the assignment of numbers, 47