Sec. 23.21  Communications by international control stations.

    Stations in the international fixed public control service are 
authorized to communicate between transmitting stations, receiving 
stations, message centers or control points operating in the 
international fixed public radiocommunication services for the purpose 
of handling service messages or international traffic between these 
points: Provided, That only traffic originating in or destined to points 
outside the contiguous states may be handled. Frequencies in bands 
designated for international control stations in Part 2 of this chapter 
may be assigned to these stations.
[ 38 FR 22480 , Aug. 21, 1973]