2.2.1 The provision and operation of a radionavigation
system is the responsibility of the Governments or organizations concerned.
2.2.2 Governments or organizations willing to
have a radionavigation system recognized by IMO should formally notify
IMO that the system is operational and available for use by merchant
shipping. The Government or organization should also declare the coverage
area of the system and provide as much other information as practicable
to assist IMO in its consideration of the factors identified in paragraph
2.1.3.
2.2.3 Governments or organizations that have a
system recognized by IMO should not allow changes to the operational
characteristics of the system under which the system was recognized
without notifying IMO (see resolution A.577(14)).