Sec.  90.405   Permissible communications.

   (a) Stations licensed under this part may transmit only the following types
   of communication:

   (1) Any communication related directly to the imminent safety-of-life or
   property;

   (2) Communications directly related and necessary to those activities which
   make the licensee eligible for the station license held under this part. In
   addition, when communication service is provided under the cooperative
   sharing provisions of  Sec. 90.179, the licensee providing such service may
   transmit communications related to the activities for which the parties
   receiving the service would be eligible to be licensed.

   (3) Communications for testing purposes required for proper station and
   system maintenance. However, each licensee shall keep such tests to a
   minimum and shall employ every measure to avoid harmful interference.

   (b) The provisions contained in paragraph (a) of this section do not apply
   where a single base station licensee has been authorized to use a channel
   above 470 MHz on an exclusive basis, or to stations licensed under this part
   that are classified as CMRS providers under part 20 of this chapter.

   [ 50 FR 6182 , Feb. 14, 1985, as amended at  59 FR 59965 , Nov. 21, 1994]